diff --git a/docs/reference/systems_reference/systems/angular.md b/docs/reference/systems_reference/systems/angular.md
index 7168094ba..1d0e9ec09 100644
--- a/docs/reference/systems_reference/systems/angular.md
+++ b/docs/reference/systems_reference/systems/angular.md
@@ -22,10 +22,10 @@
## Quantities
-| Quantity | Character | Dimension | is_kind | non_negative | Kind of | Parent | Equation | Hierarchy |
-|----------|:---------:|:---------:|:-------:|:------------:|:-------:|:------:|----------|:---------:|
-| angle | Real | α | ✓ | — | [angle](#angle) | — | — | [view](../hierarchies/angle.md) |
-| solid_angle | Real | α² | ✓ | — | [solid_angle](#solid_angle) | — | pow<2>([angle](#angle)) | [view](../hierarchies/solid_angle.md) |
+| Quantity | Character | Dimension | Traits | Kind of | Parent | Equation | Hierarchy |
+|----------|:---------:|:---------:|:------:|:-------:|:------:|----------|:---------:|
+| angle | scalar | α | kind | [angle](#angle) | — | — | [view](../hierarchies/angle.md) |
+| solid_angle | scalar | α² | kind | [solid_angle](#solid_angle) | — | pow<2>([angle](#angle)) | [view](../hierarchies/solid_angle.md) |
## Units
diff --git a/docs/reference/systems_reference/systems/core.md b/docs/reference/systems_reference/systems/core.md
index 00ee9b30e..8f3ddd9df 100644
--- a/docs/reference/systems_reference/systems/core.md
+++ b/docs/reference/systems_reference/systems/core.md
@@ -17,9 +17,9 @@
## Quantities
-| Quantity | Character | Dimension | is_kind | non_negative | Kind of | Parent | Equation | Hierarchy |
-|----------|:---------:|:---------:|:-------:|:------------:|:-------:|:------:|----------|:---------:|
-| dimensionless | Real | 1 | ✓ | — | [dimensionless](core.md#dimensionless) | — | — | [view](../hierarchies/dimensionless.md) |
+| Quantity | Character | Dimension | Traits | Kind of | Parent | Equation | Hierarchy |
+|----------|:---------:|:---------:|:------:|:-------:|:------:|----------|:---------:|
+| dimensionless | scalar | 1 | kind | [dimensionless](core.md#dimensionless) | — | — | [view](../hierarchies/dimensionless.md) |
## Units
diff --git a/docs/reference/systems_reference/systems/hep.md b/docs/reference/systems_reference/systems/hep.md
index 3dae3f77d..062d0ff80 100644
--- a/docs/reference/systems_reference/systems/hep.md
+++ b/docs/reference/systems_reference/systems/hep.md
@@ -30,88 +30,88 @@
## Quantities
-| Quantity | Character | Dimension | is_kind | non_negative | Kind of | Parent | Equation | Hierarchy |
-|----------|:---------:|:---------:|:-------:|:------------:|:-------:|:------:|----------|:---------:|
-| Q_value | Real | E | — | ✓ | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
-| absorbed_dose | Real | L²T⁻² | ✓ | — | [absorbed_dose](#absorbed_dose) | — | pow<2>([length](#length)) / pow<2>([duration](#duration)) | [view](../hierarchies/absorbed_dose_hep.md) |
-| activity | Real | T⁻¹ | ✓ | — | [activity](#activity) | — | inverse([duration](#duration)) | [view](../hierarchies/activity_hep.md) |
-| amount_of_substance | Real | N | ✓ | ✓ | [amount_of_substance](#amount_of_substance) | — | — | [view](../hierarchies/amount_of_substance_hep.md) |
-| angle | Real | — | — | — | — | — | alias to [angular::angle](#angle) | — |
-| area | Real | L² | ✓ | — | [area](#area) | — | pow<2>([length](#length)) | [view](../hierarchies/area_hep.md) |
-| azimuthal_angle | Real | α | — | — | [angular::angle](#angle) | [angular::angle](#angle) | — | [view](../hierarchies/angle.md) |
-| binding_energy | Real | E | — | ✓ | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
-| center_of_mass_energy | Real | E | — | ✓ | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
-| coordinate_time | Real | T | ✓ | ✓ | [coordinate_time](#coordinate_time) | [duration](#duration) | — | [view](../hierarchies/duration_hep.md) |
-| cross_section | Real | L² | — | — | [area](#area) | [area](#area) | — | [view](../hierarchies/area_hep.md) |
-| decay_constant | Real | T⁻¹ | — | — | [frequency](#frequency) | [frequency](#frequency) | — | [view](../hierarchies/frequency_hep.md) |
-| decay_length | Real | L | — | ✓ | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
-| dimensionless | Real | 1 | ✓ | — | [dimensionless](core.md#dimensionless) | — | — | — |
-| displacement | Vector | L | — | — | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
-| duration | Real | T | ✓ | ✓ | [duration](#duration) | — | — | [view](../hierarchies/duration_hep.md) |
-| effective_mass | Real | ET²L⁻² | — | — | [mass](#mass) | [mass](#mass) | — | [view](../hierarchies/mass_hep.md) |
-| electric_capacitance | Real | Q²E⁻¹ | ✓ | — | [electric_capacitance](#electric_capacitance) | — | pow<2>([electric_charge](#electric_charge)) / [energy](#energy) | [view](../hierarchies/electric_capacitance.md) |
-| electric_charge | Real | Q | ✓ | — | [electric_charge](#electric_charge) | — | — | [view](../hierarchies/electric_charge_hep.md) |
-| electric_current | Real | QT⁻¹ | ✓ | — | [electric_current](#electric_current) | — | [electric_charge](#electric_charge) / [duration](#duration) | [view](../hierarchies/electric_current_hep.md) |
-| electric_potential | Real | EQ⁻¹ | ✓ | — | [electric_potential](#electric_potential) | — | [energy](#energy) / [electric_charge](#electric_charge) | [view](../hierarchies/electric_potential_hep.md) |
-| electric_resistance | Real | ETQ⁻² | ✓ | — | [electric_resistance](#electric_resistance) | — | [energy](#energy) * [duration](#duration) / pow<2>([electric_charge](#electric_charge)) | [view](../hierarchies/electric_resistance.md) |
-| energy | Real | E | ✓ | ✓ | [energy](#energy) | — | — | [view](../hierarchies/energy_hep.md) |
-| excitation_energy | Real | E | — | ✓ | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
-| force | Real | EL⁻¹ | ✓ | — | [force](#force) | — | [energy](#energy) / [length](#length) | [view](../hierarchies/force_hep.md) |
-| frequency | Real | T⁻¹ | ✓ | — | [frequency](#frequency) | — | inverse([duration](#duration)) | [view](../hierarchies/frequency_hep.md) |
-| half_life | Real | T | — | ✓ | [duration](#duration) | [lifetime](#lifetime) | — | [view](../hierarchies/duration_hep.md) |
-| height | Real | L | — | ✓ | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
-| illuminance | Real | α²IL⁻² | ✓ | — | [illuminance](#illuminance) | — | [luminous_flux](#luminous_flux) / pow<2>([length](#length)) | [view](../hierarchies/illuminance_hep.md) |
-| impact_parameter | Real | L | — | ✓ | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
-| inductance | Real | ET²Q⁻² | ✓ | — | [inductance](#inductance) | — | pow<2>([duration](#duration)) * [energy](#energy) / pow<2>([electric_charge](#electric_charge)) | [view](../hierarchies/inductance_hep.md) |
-| interaction_length | Real | L | ✓ | ✓ | [interaction_length](#interaction_length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
-| invariant_mass | Real | ET²L⁻² | — | — | [mass](#mass) | [mass](#mass) | — | [view](../hierarchies/mass_hep.md) |
-| ionization_energy | Real | E | — | ✓ | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
-| kinetic_energy | Real | E | — | ✓ | [energy](#energy) | [total_energy](#total_energy) | — | [view](../hierarchies/energy_hep.md) |
-| length | Real | L | ✓ | ✓ | [length](#length) | — | — | [view](../hierarchies/length_hep.md) |
-| lifetime | Real | T | — | ✓ | [duration](#duration) | [duration](#duration) | — | [view](../hierarchies/duration_hep.md) |
-| lorentz_factor | Real | — | ✓ | ✓ | [lorentz_factor](#lorentz_factor) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
-| luminous_flux | Real | α²I | ✓ | — | [luminous_flux](#luminous_flux) | — | [luminous_intensity](#luminous_intensity) * [solid_angle](#solid_angle) | [view](../hierarchies/luminous_flux_hep.md) |
-| luminous_intensity | Real | I | ✓ | ✓ | [luminous_intensity](#luminous_intensity) | — | — | [view](../hierarchies/luminous_intensity_hep.md) |
-| magnetic_field | Real | ETQ⁻¹L⁻² | ✓ | — | [magnetic_field](#magnetic_field) | — | [duration](#duration) * [energy](#energy) / [electric_charge](#electric_charge) / pow<2>([length](#length)) | [view](../hierarchies/magnetic_field.md) |
-| magnetic_flux | Real | ETQ⁻¹ | ✓ | — | [magnetic_flux](#magnetic_flux) | — | [duration](#duration) * [energy](#energy) / [electric_charge](#electric_charge) | [view](../hierarchies/magnetic_flux_hep.md) |
-| mass | Real | ET²L⁻² | ✓ | — | [mass](#mass) | — | [energy](#energy) * pow<2>([duration](#duration)) / pow<2>([length](#length)) | [view](../hierarchies/mass_hep.md) |
-| mean_free_path | Real | L | — | ✓ | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
-| mean_lifetime | Real | T | — | ✓ | [duration](#duration) | [lifetime](#lifetime) | — | [view](../hierarchies/duration_hep.md) |
-| missing_energy | Real | E | — | ✓ | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
-| momentum | Real | ETL⁻¹ | ✓ | — | [momentum](#momentum) | — | [energy](#energy) * [duration](#duration) / [length](#length) | [view](../hierarchies/momentum_hep.md) |
-| nuclear_interaction_length | Real | L | — | ✓ | [interaction_length](#interaction_length) | [interaction_length](#interaction_length) | — | [view](../hierarchies/length_hep.md) |
-| number_density | Real | L⁻³ | ✓ | — | [number_density](#number_density) | — | inverse([volume](#volume)) | [view](../hierarchies/number_density.md) |
-| opening_angle | Real | α | — | — | [angular::angle](#angle) | [angular::angle](#angle) | — | [view](../hierarchies/angle.md) |
-| path_length | Real | L | — | ✓ | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
-| phase | Real | — | ✓ | — | [phase](#phase) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
-| polar_angle | Real | α | — | — | [angular::angle](#angle) | [angular::angle](#angle) | — | [view](../hierarchies/angle.md) |
-| position_vector | Vector | L | — | — | [length](#length) | [displacement](#displacement) | — | [view](../hierarchies/length_hep.md) |
-| power | Real | ET⁻¹ | ✓ | — | [power](#power) | — | [energy](#energy) / [duration](#duration) | [view](../hierarchies/power_hep.md) |
-| pressure | Real | EL⁻³ | ✓ | — | [pressure](#pressure) | — | [energy](#energy) / pow<3>([length](#length)) | [view](../hierarchies/pressure_hep.md) |
-| proper_time | Real | T | ✓ | ✓ | [proper_time](#proper_time) | [duration](#duration) | — | [view](../hierarchies/duration_hep.md) |
-| proper_velocity | Vector | LT⁻¹ | ✓ | — | [proper_velocity](#proper_velocity) | — | [displacement](#displacement) / [proper_time](#proper_time) | [view](../hierarchies/proper_velocity.md) |
-| radiation_length | Real | L | ✓ | ✓ | [radiation_length](#radiation_length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
-| radius | Real | L | — | ✓ | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
-| range | Real | L | — | ✓ | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
-| reduced_mass | Real | ET²L⁻² | — | — | [mass](#mass) | [mass](#mass) | — | [view](../hierarchies/mass_hep.md) |
-| relativistic_beta | Real | — | ✓ | ✓ | [relativistic_beta](#relativistic_beta) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
-| rest_mass | Real | ET²L⁻² | — | — | [mass](#mass) | [mass](#mass) | — | [view](../hierarchies/mass_hep.md) |
-| rest_mass_energy | Real | E | — | ✓ | [energy](#energy) | [total_energy](#total_energy) | — | [view](../hierarchies/energy_hep.md) |
-| scattering_angle | Real | α | — | — | [angular::angle](#angle) | [angular::angle](#angle) | — | [view](../hierarchies/angle.md) |
-| separation_energy | Real | E | — | ✓ | [energy](#energy) | [binding_energy](#binding_energy) | — | [view](../hierarchies/energy_hep.md) |
-| solid_angle | Real | — | — | — | — | — | alias to [angular::solid_angle](#solid_angle) | — |
-| speed | Real | LT⁻¹ | ✓ | — | [speed](#speed) | — | [path_length](#path_length) / [duration](#duration) | [view](../hierarchies/speed_hep.md) |
-| temperature | Real | Θ | ✓ | ✓ | [temperature](#temperature) | — | — | [view](../hierarchies/temperature.md) |
-| threshold_energy | Real | E | — | ✓ | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
-| time_of_flight | Real | T | — | ✓ | [duration](#duration) | [duration](#duration) | — | [view](../hierarchies/duration_hep.md) |
-| total_energy | Real | E | — | ✓ | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
-| transverse_energy | Real | E | — | ✓ | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
-| transverse_momentum | Real | ETL⁻¹ | — | — | [momentum](#momentum) | [momentum](#momentum) | — | [view](../hierarchies/momentum_hep.md) |
-| velocity | Vector | LT⁻¹ | ✓ | — | [velocity](#velocity) | — | [displacement](#displacement) / [duration](#duration) | [view](../hierarchies/velocity.md) |
-| vertex_position | Real | L | — | ✓ | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
-| volume | Real | L³ | ✓ | — | [volume](#volume) | — | pow<3>([length](#length)) | [view](../hierarchies/volume_hep.md) |
-| wavelength | Real | L | — | ✓ | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
-| width | Real | L | — | ✓ | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
+| Quantity | Character | Dimension | Traits | Kind of | Parent | Equation | Hierarchy |
+|----------|:---------:|:---------:|:------:|:-------:|:------:|----------|:---------:|
+| Q_value | scalar | E | ≥ 0 | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
+| absorbed_dose | scalar | L²T⁻² | kind | [absorbed_dose](#absorbed_dose) | — | pow<2>([length](#length)) / pow<2>([duration](#duration)) | [view](../hierarchies/absorbed_dose_hep.md) |
+| activity | scalar | T⁻¹ | kind | [activity](#activity) | — | inverse([duration](#duration)) | [view](../hierarchies/activity_hep.md) |
+| amount_of_substance | scalar | N | kind
≥ 0 | [amount_of_substance](#amount_of_substance) | — | — | [view](../hierarchies/amount_of_substance_hep.md) |
+| angle | scalar | — | | — | — | alias to [angular::angle](#angle) | — |
+| area | scalar | L² | kind | [area](#area) | — | pow<2>([length](#length)) | [view](../hierarchies/area_hep.md) |
+| azimuthal_angle | scalar | α | | [angular::angle](#angle) | [angular::angle](#angle) | — | [view](../hierarchies/angle.md) |
+| binding_energy | scalar | E | ≥ 0 | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
+| center_of_mass_energy | scalar | E | ≥ 0 | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
+| coordinate_time | scalar | T | kind
≥ 0 | [coordinate_time](#coordinate_time) | [duration](#duration) | — | [view](../hierarchies/duration_hep.md) |
+| cross_section | scalar | L² | | [area](#area) | [area](#area) | — | [view](../hierarchies/area_hep.md) |
+| decay_constant | scalar | T⁻¹ | | [frequency](#frequency) | [frequency](#frequency) | — | [view](../hierarchies/frequency_hep.md) |
+| decay_length | scalar | L | ≥ 0 | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
+| dimensionless | scalar | 1 | kind | [dimensionless](core.md#dimensionless) | — | — | — |
+| displacement | vector | L | | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
+| duration | scalar | T | kind
≥ 0 | [duration](#duration) | — | — | [view](../hierarchies/duration_hep.md) |
+| effective_mass | scalar | ET²L⁻² | | [mass](#mass) | [mass](#mass) | — | [view](../hierarchies/mass_hep.md) |
+| electric_capacitance | scalar | Q²E⁻¹ | kind | [electric_capacitance](#electric_capacitance) | — | pow<2>([electric_charge](#electric_charge)) / [energy](#energy) | [view](../hierarchies/electric_capacitance.md) |
+| electric_charge | scalar | Q | kind | [electric_charge](#electric_charge) | — | — | [view](../hierarchies/electric_charge_hep.md) |
+| electric_current | scalar | QT⁻¹ | kind | [electric_current](#electric_current) | — | [electric_charge](#electric_charge) / [duration](#duration) | [view](../hierarchies/electric_current_hep.md) |
+| electric_potential | scalar | EQ⁻¹ | kind | [electric_potential](#electric_potential) | — | [energy](#energy) / [electric_charge](#electric_charge) | [view](../hierarchies/electric_potential_hep.md) |
+| electric_resistance | scalar | ETQ⁻² | kind | [electric_resistance](#electric_resistance) | — | [energy](#energy) * [duration](#duration) / pow<2>([electric_charge](#electric_charge)) | [view](../hierarchies/electric_resistance.md) |
+| energy | scalar | E | kind
≥ 0 | [energy](#energy) | — | — | [view](../hierarchies/energy_hep.md) |
+| excitation_energy | scalar | E | ≥ 0 | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
+| force | scalar | EL⁻¹ | kind | [force](#force) | — | [energy](#energy) / [length](#length) | [view](../hierarchies/force_hep.md) |
+| frequency | scalar | T⁻¹ | kind | [frequency](#frequency) | — | inverse([duration](#duration)) | [view](../hierarchies/frequency_hep.md) |
+| half_life | scalar | T | ≥ 0 | [duration](#duration) | [lifetime](#lifetime) | — | [view](../hierarchies/duration_hep.md) |
+| height | scalar | L | ≥ 0 | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
+| illuminance | scalar | α²IL⁻² | kind | [illuminance](#illuminance) | — | [luminous_flux](#luminous_flux) / pow<2>([length](#length)) | [view](../hierarchies/illuminance_hep.md) |
+| impact_parameter | scalar | L | ≥ 0 | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
+| inductance | scalar | ET²Q⁻² | kind | [inductance](#inductance) | — | pow<2>([duration](#duration)) * [energy](#energy) / pow<2>([electric_charge](#electric_charge)) | [view](../hierarchies/inductance_hep.md) |
+| interaction_length | scalar | L | kind
≥ 0 | [interaction_length](#interaction_length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
+| invariant_mass | scalar | ET²L⁻² | | [mass](#mass) | [mass](#mass) | — | [view](../hierarchies/mass_hep.md) |
+| ionization_energy | scalar | E | ≥ 0 | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
+| kinetic_energy | scalar | E | ≥ 0 | [energy](#energy) | [total_energy](#total_energy) | — | [view](../hierarchies/energy_hep.md) |
+| length | scalar | L | kind
≥ 0 | [length](#length) | — | — | [view](../hierarchies/length_hep.md) |
+| lifetime | scalar | T | ≥ 0 | [duration](#duration) | [duration](#duration) | — | [view](../hierarchies/duration_hep.md) |
+| lorentz_factor | scalar | — | kind
≥ 0 | [lorentz_factor](#lorentz_factor) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
+| luminous_flux | scalar | α²I | kind | [luminous_flux](#luminous_flux) | — | [luminous_intensity](#luminous_intensity) * [solid_angle](#solid_angle) | [view](../hierarchies/luminous_flux_hep.md) |
+| luminous_intensity | scalar | I | kind
≥ 0 | [luminous_intensity](#luminous_intensity) | — | — | [view](../hierarchies/luminous_intensity_hep.md) |
+| magnetic_field | scalar | ETQ⁻¹L⁻² | kind | [magnetic_field](#magnetic_field) | — | [duration](#duration) * [energy](#energy) / [electric_charge](#electric_charge) / pow<2>([length](#length)) | [view](../hierarchies/magnetic_field.md) |
+| magnetic_flux | scalar | ETQ⁻¹ | kind | [magnetic_flux](#magnetic_flux) | — | [duration](#duration) * [energy](#energy) / [electric_charge](#electric_charge) | [view](../hierarchies/magnetic_flux_hep.md) |
+| mass | scalar | ET²L⁻² | kind | [mass](#mass) | — | [energy](#energy) * pow<2>([duration](#duration)) / pow<2>([length](#length)) | [view](../hierarchies/mass_hep.md) |
+| mean_free_path | scalar | L | ≥ 0 | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
+| mean_lifetime | scalar | T | ≥ 0 | [duration](#duration) | [lifetime](#lifetime) | — | [view](../hierarchies/duration_hep.md) |
+| missing_energy | scalar | E | ≥ 0 | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
+| momentum | scalar | ETL⁻¹ | kind | [momentum](#momentum) | — | [energy](#energy) * [duration](#duration) / [length](#length) | [view](../hierarchies/momentum_hep.md) |
+| nuclear_interaction_length | scalar | L | ≥ 0 | [interaction_length](#interaction_length) | [interaction_length](#interaction_length) | — | [view](../hierarchies/length_hep.md) |
+| number_density | scalar | L⁻³ | kind | [number_density](#number_density) | — | inverse([volume](#volume)) | [view](../hierarchies/number_density.md) |
+| opening_angle | scalar | α | | [angular::angle](#angle) | [angular::angle](#angle) | — | [view](../hierarchies/angle.md) |
+| path_length | scalar | L | ≥ 0 | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
+| phase | scalar | — | kind | [phase](#phase) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
+| polar_angle | scalar | α | | [angular::angle](#angle) | [angular::angle](#angle) | — | [view](../hierarchies/angle.md) |
+| position_vector | vector | L | | [length](#length) | [displacement](#displacement) | — | [view](../hierarchies/length_hep.md) |
+| power | scalar | ET⁻¹ | kind | [power](#power) | — | [energy](#energy) / [duration](#duration) | [view](../hierarchies/power_hep.md) |
+| pressure | scalar | EL⁻³ | kind | [pressure](#pressure) | — | [energy](#energy) / pow<3>([length](#length)) | [view](../hierarchies/pressure_hep.md) |
+| proper_time | scalar | T | kind
≥ 0 | [proper_time](#proper_time) | [duration](#duration) | — | [view](../hierarchies/duration_hep.md) |
+| proper_velocity | vector | LT⁻¹ | kind | [proper_velocity](#proper_velocity) | — | [displacement](#displacement) / [proper_time](#proper_time) | [view](../hierarchies/proper_velocity.md) |
+| radiation_length | scalar | L | kind
≥ 0 | [radiation_length](#radiation_length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
+| radius | scalar | L | ≥ 0 | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
+| range | scalar | L | ≥ 0 | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
+| reduced_mass | scalar | ET²L⁻² | | [mass](#mass) | [mass](#mass) | — | [view](../hierarchies/mass_hep.md) |
+| relativistic_beta | scalar | — | kind
≥ 0 | [relativistic_beta](#relativistic_beta) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
+| rest_mass | scalar | ET²L⁻² | | [mass](#mass) | [mass](#mass) | — | [view](../hierarchies/mass_hep.md) |
+| rest_mass_energy | scalar | E | ≥ 0 | [energy](#energy) | [total_energy](#total_energy) | — | [view](../hierarchies/energy_hep.md) |
+| scattering_angle | scalar | α | | [angular::angle](#angle) | [angular::angle](#angle) | — | [view](../hierarchies/angle.md) |
+| separation_energy | scalar | E | ≥ 0 | [energy](#energy) | [binding_energy](#binding_energy) | — | [view](../hierarchies/energy_hep.md) |
+| solid_angle | scalar | — | | — | — | alias to [angular::solid_angle](#solid_angle) | — |
+| speed | scalar | LT⁻¹ | kind | [speed](#speed) | — | [path_length](#path_length) / [duration](#duration) | [view](../hierarchies/speed_hep.md) |
+| temperature | scalar | Θ | kind
≥ 0 | [temperature](#temperature) | — | — | [view](../hierarchies/temperature.md) |
+| threshold_energy | scalar | E | ≥ 0 | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
+| time_of_flight | scalar | T | ≥ 0 | [duration](#duration) | [duration](#duration) | — | [view](../hierarchies/duration_hep.md) |
+| total_energy | scalar | E | ≥ 0 | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
+| transverse_energy | scalar | E | ≥ 0 | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_hep.md) |
+| transverse_momentum | scalar | ETL⁻¹ | | [momentum](#momentum) | [momentum](#momentum) | — | [view](../hierarchies/momentum_hep.md) |
+| velocity | vector | LT⁻¹ | kind | [velocity](#velocity) | — | [displacement](#displacement) / [duration](#duration) | [view](../hierarchies/velocity.md) |
+| vertex_position | scalar | L | ≥ 0 | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
+| volume | scalar | L³ | kind | [volume](#volume) | — | pow<3>([length](#length)) | [view](../hierarchies/volume_hep.md) |
+| wavelength | scalar | L | ≥ 0 | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
+| width | scalar | L | ≥ 0 | [length](#length) | [length](#length) | — | [view](../hierarchies/length_hep.md) |
## Units
diff --git a/docs/reference/systems_reference/systems/iec.md b/docs/reference/systems_reference/systems/iec.md
index ae67e6b10..8cbdb8f09 100644
--- a/docs/reference/systems_reference/systems/iec.md
+++ b/docs/reference/systems_reference/systems/iec.md
@@ -19,39 +19,39 @@
## Quantities
-| Quantity | Character | Dimension | is_kind | non_negative | Kind of | Parent | Equation | Hierarchy |
-|----------|:---------:|:---------:|:-------:|:------------:|:-------:|:------:|----------|:---------:|
-| Hamming_distance | Real | — | — | — | — | — | alias to [isq::Hamming_distance](#Hamming_distance) | — |
-| binary_digit_rate | Real | — | — | — | — | — | alias to [isq::binary_digit_rate](#binary_digit_rate) | — |
-| bit_period | Real | — | — | — | — | — | alias to [isq::period_of_binary_digits](#period_of_binary_digits) | — |
-| bit_rate | Real | — | — | — | — | — | alias to [isq::binary_digit_rate](#binary_digit_rate) | — |
-| call_intensity | Real | — | — | — | — | — | alias to [isq::call_intensity](#call_intensity) | — |
-| calling_rate | Real | — | — | — | — | — | alias to [isq::call_intensity](#call_intensity) | — |
-| carrier_power | Real | — | — | — | — | — | alias to [isq::carrier_power](#carrier_power) | — |
-| clock_frequency | Real | — | — | — | — | — | alias to [isq::clock_frequency](#clock_frequency) | — |
-| clock_rate | Real | — | — | — | — | — | alias to [isq::clock_frequency](#clock_frequency) | — |
-| completed_call_intensity | Real | — | — | — | — | — | alias to [isq::completed_call_intensity](#completed_call_intensity) | — |
-| decision_content | Real | — | — | — | — | — | alias to [isq::decision_content](#decision_content) | — |
-| equivalent_binary_digit_rate | Real | — | — | — | — | — | alias to [isq::equivalent_binary_digit_rate](#equivalent_binary_digit_rate) | — |
-| equivalent_binary_storage_capacity | Real | — | — | — | — | — | alias to [isq::equivalent_binary_storage_capacity](#equivalent_binary_storage_capacity) | — |
-| equivalent_bit_rate | Real | — | — | — | — | — | alias to [isq::bit_rate](#bit_rate) | — |
-| error_probability | Real | — | — | — | — | — | alias to [isq::error_probability](#error_probability) | — |
-| line_digit_rate | Real | — | — | — | — | — | alias to [isq::modulation_rate](#modulation_rate) | — |
-| loss_probability | Real | — | — | — | — | — | alias to [isq::loss_probability](#loss_probability) | — |
-| mean_queue_length | Real | — | — | — | — | — | alias to [isq::mean_queue_length](#mean_queue_length) | — |
-| modulation_rate | Real | — | — | — | — | — | alias to [isq::modulation_rate](#modulation_rate) | — |
-| period_of_binary_digits | Real | — | — | — | — | — | alias to [isq::period_of_binary_digits](#period_of_binary_digits) | — |
-| period_of_data_elements | Real | — | — | — | — | — | alias to [isq::period_of_data_elements](#period_of_data_elements) | — |
-| quantizing_distortion_power | Real | — | — | — | — | — | alias to [isq::quantizing_distortion_power](#quantizing_distortion_power) | — |
-| signal_energy_per_binary_digit | Real | — | — | — | — | — | alias to [isq::signal_energy_per_binary_digit](#signal_energy_per_binary_digit) | — |
-| storage_capacity | Real | — | — | — | — | — | alias to [isq::storage_capacity](#storage_capacity) | — |
-| storage_size | Real | — | — | — | — | — | alias to [isq::storage_capacity](#storage_capacity) | — |
-| traffic_carried_intensity | Real | — | — | — | — | — | alias to [isq::traffic_carried_intensity](#traffic_carried_intensity) | — |
-| traffic_intensity | Real | — | — | — | — | — | alias to [isq::traffic_intensity](#traffic_intensity) | — |
-| traffic_load | Real | — | — | — | — | — | alias to [isq::traffic_carried_intensity](#traffic_carried_intensity) | — |
-| traffic_offered_intensity | Real | — | — | — | — | — | alias to [isq::traffic_offered_intensity](#traffic_offered_intensity) | — |
-| transfer_rate | Real | — | — | — | — | — | alias to [isq::transfer_rate](#transfer_rate) | — |
-| waiting_probability | Real | — | — | — | — | — | alias to [isq::waiting_probability](#waiting_probability) | — |
+| Quantity | Character | Dimension | Traits | Kind of | Parent | Equation | Hierarchy |
+|----------|:---------:|:---------:|:------:|:-------:|:------:|----------|:---------:|
+| Hamming_distance | scalar | — | | — | — | alias to [isq::Hamming_distance](#Hamming_distance) | — |
+| binary_digit_rate | scalar | — | | — | — | alias to [isq::binary_digit_rate](#binary_digit_rate) | — |
+| bit_period | scalar | — | | — | — | alias to [isq::period_of_binary_digits](#period_of_binary_digits) | — |
+| bit_rate | scalar | — | | — | — | alias to [isq::binary_digit_rate](#binary_digit_rate) | — |
+| call_intensity | scalar | — | | — | — | alias to [isq::call_intensity](#call_intensity) | — |
+| calling_rate | scalar | — | | — | — | alias to [isq::call_intensity](#call_intensity) | — |
+| carrier_power | scalar | — | | — | — | alias to [isq::carrier_power](#carrier_power) | — |
+| clock_frequency | scalar | — | | — | — | alias to [isq::clock_frequency](#clock_frequency) | — |
+| clock_rate | scalar | — | | — | — | alias to [isq::clock_frequency](#clock_frequency) | — |
+| completed_call_intensity | scalar | — | | — | — | alias to [isq::completed_call_intensity](#completed_call_intensity) | — |
+| decision_content | scalar | — | | — | — | alias to [isq::decision_content](#decision_content) | — |
+| equivalent_binary_digit_rate | scalar | — | | — | — | alias to [isq::equivalent_binary_digit_rate](#equivalent_binary_digit_rate) | — |
+| equivalent_binary_storage_capacity | scalar | — | | — | — | alias to [isq::equivalent_binary_storage_capacity](#equivalent_binary_storage_capacity) | — |
+| equivalent_bit_rate | scalar | — | | — | — | alias to [isq::bit_rate](#bit_rate) | — |
+| error_probability | scalar | — | | — | — | alias to [isq::error_probability](#error_probability) | — |
+| line_digit_rate | scalar | — | | — | — | alias to [isq::modulation_rate](#modulation_rate) | — |
+| loss_probability | scalar | — | | — | — | alias to [isq::loss_probability](#loss_probability) | — |
+| mean_queue_length | scalar | — | | — | — | alias to [isq::mean_queue_length](#mean_queue_length) | — |
+| modulation_rate | scalar | — | | — | — | alias to [isq::modulation_rate](#modulation_rate) | — |
+| period_of_binary_digits | scalar | — | | — | — | alias to [isq::period_of_binary_digits](#period_of_binary_digits) | — |
+| period_of_data_elements | scalar | — | | — | — | alias to [isq::period_of_data_elements](#period_of_data_elements) | — |
+| quantizing_distortion_power | scalar | — | | — | — | alias to [isq::quantizing_distortion_power](#quantizing_distortion_power) | — |
+| signal_energy_per_binary_digit | scalar | — | | — | — | alias to [isq::signal_energy_per_binary_digit](#signal_energy_per_binary_digit) | — |
+| storage_capacity | scalar | — | | — | — | alias to [isq::storage_capacity](#storage_capacity) | — |
+| storage_size | scalar | — | | — | — | alias to [isq::storage_capacity](#storage_capacity) | — |
+| traffic_carried_intensity | scalar | — | | — | — | alias to [isq::traffic_carried_intensity](#traffic_carried_intensity) | — |
+| traffic_intensity | scalar | — | | — | — | alias to [isq::traffic_intensity](#traffic_intensity) | — |
+| traffic_load | scalar | — | | — | — | alias to [isq::traffic_carried_intensity](#traffic_carried_intensity) | — |
+| traffic_offered_intensity | scalar | — | | — | — | alias to [isq::traffic_offered_intensity](#traffic_offered_intensity) | — |
+| transfer_rate | scalar | — | | — | — | alias to [isq::transfer_rate](#transfer_rate) | — |
+| waiting_probability | scalar | — | | — | — | alias to [isq::waiting_probability](#waiting_probability) | — |
## Prefixes
diff --git a/docs/reference/systems_reference/systems/isq.md b/docs/reference/systems_reference/systems/isq.md
index a44273812..8f8f0b4c7 100644
--- a/docs/reference/systems_reference/systems/isq.md
+++ b/docs/reference/systems_reference/systems/isq.md
@@ -36,359 +36,359 @@
## Quantities
-| Quantity | Character | Dimension | is_kind | non_negative | Kind of | Parent | Equation | Hierarchy |
-|----------|:---------:|:---------:|:-------:|:------------:|:-------:|:------:|----------|:---------:|
-| Gibbs_energy | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [enthalpy](#enthalpy) | — | [view](../hierarchies/energy_isq.md) |
-| Gibbs_function | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [enthalpy](#enthalpy) | alias to [Gibbs_energy](#Gibbs_energy) | [view](../hierarchies/energy_isq.md) |
-| Hamming_distance | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
-| Helmholtz_energy | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [internal_energy](#internal_energy) | — | [view](../hierarchies/energy_isq.md) |
-| Helmholtz_function | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [internal_energy](#internal_energy) | alias to [Helmholtz_energy](#Helmholtz_energy) | [view](../hierarchies/energy_isq.md) |
-| Joule_Thomson_coefficient | Real | LΘT²M⁻¹ | ✓ | — | [Joule_Thomson_coefficient](#Joule_Thomson_coefficient) | — | [thermodynamic_temperature](#thermodynamic_temperature) / [pressure](#pressure) | [view](../hierarchies/Joule_Thomson_coefficient.md) |
-| Massieu_function | Real | L²MΘ⁻¹T⁻² | ✓ | — | [Massieu_function](#Massieu_function) | — | [Helmholtz_energy](#Helmholtz_energy) / [thermodynamic_temperature](#thermodynamic_temperature) | [view](../hierarchies/Massieu_function.md) |
-| Planck_function | Real | L²MΘ⁻¹T⁻² | ✓ | — | [Planck_function](#Planck_function) | — | [Gibbs_energy](#Gibbs_energy) / [thermodynamic_temperature](#thermodynamic_temperature) | [view](../hierarchies/Planck_function.md) |
-| Poisson_number | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [width](#width) / [length](#length) | [view](../hierarchies/dimensionless.md) |
-| Poynting_vector | Vector | MT⁻³ | ✓ | — | [Poynting_vector](#Poynting_vector) | — | [electric_field_strength](#electric_field_strength) * [magnetic_field_strength](#magnetic_field_strength) | [view](../hierarchies/Poynting_vector.md) |
-| Young_modulus | Real | ML⁻¹T⁻² | — | — | [pressure](#pressure) | [normal_stress](#normal_stress) | alias to [modulus_of_elasticity](#modulus_of_elasticity) | [view](../hierarchies/pressure_isq.md) |
-| absorbed_dose | Real | L²T⁻² | ✓ | ✓ | [absorbed_dose](#absorbed_dose) | — | [energy](#energy) / [mass](#mass) | [view](../hierarchies/absorbed_dose_isq.md) |
-| acceleration | Vector | LT⁻² | ✓ | — | [acceleration](#acceleration) | — | [velocity](#velocity) / [duration](#duration) | [view](../hierarchies/acceleration.md) |
-| acceleration_of_free_fall | Vector | LT⁻² | — | — | [acceleration](#acceleration) | [acceleration](#acceleration) | — | [view](../hierarchies/acceleration.md) |
-| action | Real | L²MT⁻¹ | ✓ | ✓ | [action](#action) | — | [energy](#energy) * [time](#time) | [view](../hierarchies/action.md) |
-| active_energy | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [energy](#energy) | [instantaneous_power](#instantaneous_power) * [time](#time) | [view](../hierarchies/energy_isq.md) |
-| active_power | Real | L²MT⁻³ | — | ✓ | [power](#power) | [power](#power) | inverse([period](#period)) * ([instantaneous_power](#instantaneous_power) * [time](#time)) | [view](../hierarchies/power_isq.md) |
-| activity | Real | T⁻¹ | ✓ | ✓ | [activity](#activity) | — | inverse([duration](#duration)) | [view](../hierarchies/activity_isq.md) |
-| admittance | Complex | I²T³L⁻²M⁻¹ | ✓ | — | [admittance](#admittance) | — | inverse([impedance](#impedance)) | [view](../hierarchies/admittance.md) |
-| admittance_of_vacuum | Complex | I²T³L⁻²M⁻¹ | — | — | [admittance](#admittance) | [admittance](#admittance) | inverse([impedance_of_vacuum](#impedance_of_vacuum)) | [view](../hierarchies/admittance.md) |
-| altitude | Real | L | — | — | [length](#length) | [length](#length) | — | [view](../hierarchies/length_isq.md) |
-| amount_of_heat | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [internal_energy](#internal_energy) | alias to [heat](#heat) | [view](../hierarchies/energy_isq.md) |
-| amount_of_substance | Real | N | ✓ | ✓ | [amount_of_substance](#amount_of_substance) | — | — | [view](../hierarchies/amount_of_substance_isq.md) |
-| angular_acceleration | Vector | T⁻² | ✓ | — | [angular_acceleration](#angular_acceleration) | — | [angular_velocity](#angular_velocity) / [duration](#duration) | [view](../hierarchies/angular_acceleration_isq.md) |
-| angular_displacement | Real | — | — | — | [angular_measure](#angular_measure) | [angular_measure](#angular_measure) | alias to [rotational_displacement](#rotational_displacement) | [view](../hierarchies/dimensionless.md) |
-| angular_frequency | Real | T⁻¹ | ✓ | — | [angular_frequency](#angular_frequency) | — | [phase_angle](#phase_angle) / [duration](#duration) | [view](../hierarchies/angular_frequency_isq.md) |
-| angular_impulse | Vector | L²MT⁻¹ | — | — | [angular_momentum](#angular_momentum) | [angular_momentum](#angular_momentum) | [moment_of_force](#moment_of_force) * [time](#time) | [view](../hierarchies/angular_momentum_isq.md) |
-| angular_measure | Real | — | ✓ | — | [angular_measure](#angular_measure) | [dimensionless](core.md#dimensionless) | [arc_length](#arc_length) / [radius](#radius) | [view](../hierarchies/dimensionless.md) |
-| angular_momentum | Vector | L²MT⁻¹ | ✓ | — | [angular_momentum](#angular_momentum) | — | [position_vector](#position_vector) * [momentum](#momentum) | [view](../hierarchies/angular_momentum_isq.md) |
-| angular_repetency | Real | L⁻¹ | ✓ | ✓ | [angular_repetency](#angular_repetency) | — | inverse([wavelength](#wavelength)) | [view](../hierarchies/angular_repetency_isq.md) |
-| angular_velocity | Vector | T⁻¹ | ✓ | — | [angular_velocity](#angular_velocity) | — | [angular_displacement](#angular_displacement) / [duration](#duration) | [view](../hierarchies/angular_velocity_isq.md) |
-| angular_wavenumber | Real | L⁻¹ | ✓ | ✓ | [angular_repetency](#angular_repetency) | — | alias to [angular_repetency](#angular_repetency) | [view](../hierarchies/angular_repetency_isq.md) |
-| apparent_admittance | Real | I²T³L⁻²M⁻¹ | — | — | [admittance](#admittance) | [admittance](#admittance) | — | [view](../hierarchies/admittance.md) |
-| apparent_impedance | Real | L²MI⁻²T⁻³ | — | — | [impedance](#impedance) | [impedance](#impedance) | — | [view](../hierarchies/impedance.md) |
-| apparent_power | Real | L²MT⁻³ | — | — | [complex_power](#complex_power) | [complex_power](#complex_power) | — | [view](../hierarchies/complex_power.md) |
-| arc_length | Real | L | — | ✓ | [length](#length) | [length](#length) | alias to [path_length](#path_length) | [view](../hierarchies/length_isq.md) |
-| area | Real | L² | ✓ | ✓ | [area](#area) | — | pow<2>([length](#length)) | [view](../hierarchies/area_isq.md) |
-| areic_charge | Real | ITL⁻² | ✓ | — | [surface_density_of_electric_charge](#surface_density_of_electric_charge) | — | alias to [surface_density_of_electric_charge](#surface_density_of_electric_charge) | [view](../hierarchies/surface_density_of_electric_charge.md) |
-| areic_electric_charge | Real | ITL⁻² | ✓ | — | [surface_density_of_electric_charge](#surface_density_of_electric_charge) | — | alias to [surface_density_of_electric_charge](#surface_density_of_electric_charge) | [view](../hierarchies/surface_density_of_electric_charge.md) |
-| attenuation | Real | L⁻¹ | ✓ | ✓ | [attenuation](#attenuation) | — | inverse([distance](#distance)) | [view](../hierarchies/attenuation.md) |
-| binary_digit_rate | Real | T⁻¹ | — | ✓ | [transfer_rate](#transfer_rate) | [transfer_rate](#transfer_rate) | — | [view](../hierarchies/transfer_rate.md) |
-| bit_period | Real | T | — | ✓ | [duration](#duration) | [period_duration](#period_duration) | alias to [period_of_binary_digits](#period_of_binary_digits) | [view](../hierarchies/duration_isq.md) |
-| bit_rate | Real | T⁻¹ | — | ✓ | [transfer_rate](#transfer_rate) | [transfer_rate](#transfer_rate) | alias to [binary_digit_rate](#binary_digit_rate) | [view](../hierarchies/transfer_rate.md) |
-| breadth | Real | L | — | ✓ | [length](#length) | [length](#length) | alias to [width](#width) | [view](../hierarchies/length_isq.md) |
-| bulk_modulus | Real | ML⁻¹T⁻² | — | — | [pressure](#pressure) | [pressure](#pressure) | alias to [modulus_of_compression](#modulus_of_compression) | [view](../hierarchies/pressure_isq.md) |
-| call_intensity | Real | T⁻¹ | ✓ | ✓ | [call_intensity](#call_intensity) | — | inverse([duration](#duration)) | [view](../hierarchies/call_intensity.md) |
-| calling_rate | Real | T⁻¹ | ✓ | ✓ | [call_intensity](#call_intensity) | — | alias to [call_intensity](#call_intensity) | [view](../hierarchies/call_intensity.md) |
-| capacitance | Real | I²T⁴L⁻²M⁻¹ | ✓ | ✓ | [capacitance](#capacitance) | — | [electric_current](#electric_current) * [time](#time) / [electric_potential](#electric_potential) | [view](../hierarchies/capacitance.md) |
-| carrier_power | Real | L²MT⁻³ | — | ✓ | [power](#power) | [power](#power) | — | [view](../hierarchies/power_isq.md) |
-| catalytic_activity | Real | NT⁻¹ | ✓ | ✓ | [catalytic_activity](#catalytic_activity) | — | [amount_of_substance](#amount_of_substance) / [time](#time) | [view](../hierarchies/catalytic_activity.md) |
-| clock_frequency | Real | T⁻¹ | — | ✓ | [frequency](#frequency) | [frequency](#frequency) | — | [view](../hierarchies/frequency_isq.md) |
-| clock_rate | Real | T⁻¹ | — | ✓ | [frequency](#frequency) | [frequency](#frequency) | alias to [clock_frequency](#clock_frequency) | [view](../hierarchies/frequency_isq.md) |
-| coefficient_of_heat_transfer | Real | MΘ⁻¹T⁻³ | ✓ | ✓ | [coefficient_of_heat_transfer](#coefficient_of_heat_transfer) | — | [density_of_heat_flow_rate](#density_of_heat_flow_rate) / [thermodynamic_temperature](#thermodynamic_temperature) | [view](../hierarchies/coefficient_of_heat_transfer.md) |
-| coefficient_of_static_friction | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | alias to [static_friction_coefficient](#static_friction_coefficient) | [view](../hierarchies/dimensionless.md) |
-| coefficient_of_thermal_insulance | Real | ΘT³M⁻¹ | ✓ | ✓ | [thermal_insulance](#thermal_insulance) | — | alias to [thermal_insulance](#thermal_insulance) | [view](../hierarchies/thermal_insulance.md) |
-| coercive_field_strength | Real | IL⁻¹ | — | — | [magnetization](#magnetization) | [magnetic_field_strength](#magnetic_field_strength) | alias to [coercivity](#coercivity) | [view](../hierarchies/magnetization.md) |
-| coercivity | Real | IL⁻¹ | — | — | [magnetization](#magnetization) | [magnetic_field_strength](#magnetic_field_strength) | — | [view](../hierarchies/magnetization.md) |
-| completed_call_intensity | Real | T⁻¹ | — | ✓ | [call_intensity](#call_intensity) | [call_intensity](#call_intensity) | — | [view](../hierarchies/call_intensity.md) |
-| complex_admittance | Complex | I²T³L⁻²M⁻¹ | ✓ | — | [admittance](#admittance) | — | alias to [admittance](#admittance) | [view](../hierarchies/admittance.md) |
-| complex_impedance | Complex | L²MI⁻²T⁻³ | ✓ | — | [impedance](#impedance) | — | alias to [impedance](#impedance) | [view](../hierarchies/impedance.md) |
-| complex_power | Complex | L²MT⁻³ | ✓ | — | [complex_power](#complex_power) | — | [voltage_phasor](#voltage_phasor) * [electric_current_phasor](#electric_current_phasor) | [view](../hierarchies/complex_power.md) |
-| compressibility | Real | LT²M⁻¹ | ✓ | — | [compressibility](#compressibility) | — | inverse([volume](#volume)) * ([volume](#volume) / [pressure](#pressure)) | [view](../hierarchies/compressibility.md) |
-| conductance | Real | I²T³L⁻²M⁻¹ | — | — | [admittance](#admittance) | [admittance](#admittance) | inverse([resistance](#resistance)) | [view](../hierarchies/admittance.md) |
-| conductance_for_alternating_current | Real | I²T³L⁻²M⁻¹ | — | — | [admittance](#admittance) | [conductance](#conductance) | — | [view](../hierarchies/admittance.md) |
-| conductivity | Real | I²T³L⁻³M⁻¹ | ✓ | — | [conductivity](#conductivity) | — | [electric_current_density](#electric_current_density) / [electric_field_strength](#electric_field_strength) | [view](../hierarchies/conductivity.md) |
-| coupling_factor | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [mutual_inductance](#mutual_inductance) / pow<1, 2>(pow<2>([self_inductance](#self_inductance))) | [view](../hierarchies/dimensionless.md) |
-| cubic_expansion_coefficient | Real | Θ⁻¹ | ✓ | — | [cubic_expansion_coefficient](#cubic_expansion_coefficient) | — | inverse([volume](#volume)) * ([volume](#volume) / [thermodynamic_temperature](#thermodynamic_temperature)) | [view](../hierarchies/cubic_expansion_coefficient.md) |
-| curvature | Real | L⁻¹ | ✓ | ✓ | [curvature](#curvature) | — | inverse([radius_of_curvature](#radius_of_curvature)) | [view](../hierarchies/curvature.md) |
-| damping_coefficient | Real | T⁻¹ | ✓ | ✓ | [damping_coefficient](#damping_coefficient) | — | inverse([time_constant](#time_constant)) | [view](../hierarchies/damping_coefficient.md) |
-| decision_content | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
-| density | Real | ML⁻³ | ✓ | ✓ | [mass_density](#mass_density) | — | alias to [mass_density](#mass_density) | [view](../hierarchies/mass_density.md) |
-| density_of_heat_flow_rate | Real | MT⁻³ | ✓ | ✓ | [density_of_heat_flow_rate](#density_of_heat_flow_rate) | — | [heat_flow_rate](#heat_flow_rate) / [area](#area) | [view](../hierarchies/density_of_heat_flow_rate.md) |
-| dew_point_temperature | Real | Θ | — | ✓ | [thermodynamic_temperature](#thermodynamic_temperature) | [thermodynamic_temperature](#thermodynamic_temperature) | — | [view](../hierarchies/thermodynamic_temperature.md) |
-| diameter | Real | L | — | ✓ | [length](#length) | [width](#width) | — | [view](../hierarchies/length_isq.md) |
-| dimensionless | Real | 1 | ✓ | — | [dimensionless](core.md#dimensionless) | — | — | — |
-| displacement | Vector | L | — | — | [length](#length) | [length](#length) | — | [view](../hierarchies/length_isq.md) |
-| displacement_current | Real | I | — | — | [electric_current](#electric_current) | [electric_current](#electric_current) | [displacement_current_density](#displacement_current_density) * [area](#area) | [view](../hierarchies/electric_current_isq.md) |
-| displacement_current_density | Vector | IL⁻² | — | — | [electric_current_density](#electric_current_density) | [electric_current_density](#electric_current_density) | [electric_flux_density](#electric_flux_density) / [time](#time) | [view](../hierarchies/electric_current_density.md) |
-| distance | Real | L | — | ✓ | [length](#length) | [path_length](#path_length) | — | [view](../hierarchies/length_isq.md) |
-| dose_equivalent | Real | L²T⁻² | ✓ | ✓ | [dose_equivalent](#dose_equivalent) | — | [absorbed_dose](#absorbed_dose) * [ionizing_radiation_quality_factor](#ionizing_radiation_quality_factor) | [view](../hierarchies/dose_equivalent.md) |
-| drag_coefficient | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [drag_force](#drag_force) / ([mass_density](#mass_density) * pow<2>([speed](#speed)) * [area](#area)) | [view](../hierarchies/dimensionless.md) |
-| drag_factor | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | alias to [drag_coefficient](#drag_coefficient) | [view](../hierarchies/dimensionless.md) |
-| drag_force | Vector | LMT⁻² | — | — | [force](#force) | [force](#force) | — | [view](../hierarchies/force_isq.md) |
-| duration | Real | T | ✓ | ✓ | [duration](#duration) | — | — | [view](../hierarchies/duration_isq.md) |
-| dynamic_friction_factor | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | alias to [kinetic_friction_factor](#kinetic_friction_factor) | [view](../hierarchies/dimensionless.md) |
-| dynamic_friction_force | Vector | LMT⁻² | — | — | [force](#force) | [force](#force) | alias to [kinetic_friction_force](#kinetic_friction_force) | [view](../hierarchies/force_isq.md) |
-| dynamic_viscosity | Real | ML⁻¹T⁻¹ | ✓ | — | [dynamic_viscosity](#dynamic_viscosity) | — | [shear_stress](#shear_stress) * [length](#length) / [velocity](#velocity) | [view](../hierarchies/dynamic_viscosity.md) |
-| electric_charge | Real | IT | ✓ | — | [electric_charge](#electric_charge) | — | [electric_current](#electric_current) * [time](#time) | [view](../hierarchies/electric_charge_isq.md) |
-| electric_charge_density | Real | ITL⁻³ | ✓ | — | [electric_charge_density](#electric_charge_density) | — | [electric_charge](#electric_charge) / [volume](#volume) | [view](../hierarchies/electric_charge_density.md) |
-| electric_constant | Real | I²T⁴L⁻³M⁻¹ | ✓ | — | [electric_constant](#electric_constant) | — | inverse([magnetic_constant](#magnetic_constant) * pow<2>([speed_of_light_in_vacuum](#speed_of_light_in_vacuum))) | [view](../hierarchies/electric_constant.md) |
-| electric_current | Real | I | ✓ | — | [electric_current](#electric_current) | — | — | [view](../hierarchies/electric_current_isq.md) |
-| electric_current_density | Vector | IL⁻² | ✓ | — | [electric_current_density](#electric_current_density) | — | [electric_charge_density](#electric_charge_density) * [velocity](#velocity) | [view](../hierarchies/electric_current_density.md) |
-| electric_current_phasor | Complex | I | — | — | [electric_current](#electric_current) | [electric_current](#electric_current) | — | [view](../hierarchies/electric_current_isq.md) |
-| electric_dipole_moment | Vector | ILT | ✓ | — | [electric_dipole_moment](#electric_dipole_moment) | — | [electric_charge](#electric_charge) * [displacement](#displacement) | [view](../hierarchies/electric_dipole_moment.md) |
-| electric_displacement | Vector | ITL⁻² | — | — | [electric_polarization](#electric_polarization) | [electric_polarization](#electric_polarization) | alias to [electric_flux_density](#electric_flux_density) | [view](../hierarchies/electric_polarization.md) |
-| electric_field_strength | Vector | LMI⁻¹T⁻³ | ✓ | — | [electric_field_strength](#electric_field_strength) | — | [force](#force) / [electric_charge](#electric_charge) | [view](../hierarchies/electric_field_strength.md) |
-| electric_flux | Real | IT | ✓ | — | [electric_flux](#electric_flux) | — | [electric_flux_density](#electric_flux_density) * [area](#area) | [view](../hierarchies/electric_flux.md) |
-| electric_flux_density | Vector | ITL⁻² | — | — | [electric_polarization](#electric_polarization) | [electric_polarization](#electric_polarization) | — | [view](../hierarchies/electric_polarization.md) |
-| electric_polarization | Vector | ITL⁻² | ✓ | — | [electric_polarization](#electric_polarization) | — | [electric_dipole_moment](#electric_dipole_moment) / [volume](#volume) | [view](../hierarchies/electric_polarization.md) |
-| electric_potential | Real | L²MI⁻¹T⁻³ | ✓ | — | [electric_potential](#electric_potential) | — | [energy](#energy) / ([electric_current](#electric_current) * [time](#time)) | [view](../hierarchies/electric_potential_isq.md) |
-| electric_potential_difference | Real | L²MI⁻¹T⁻³ | — | — | [electric_potential](#electric_potential) | [electric_potential](#electric_potential) | — | [view](../hierarchies/electric_potential_isq.md) |
-| electric_susceptibility | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [electric_polarization](#electric_polarization) / [electric_constant](#electric_constant) / [electric_field_strength](#electric_field_strength) | [view](../hierarchies/dimensionless.md) |
-| electric_tension | Real | L²MI⁻¹T⁻³ | — | — | [electric_potential](#electric_potential) | [electric_potential](#electric_potential) | alias to [voltage](#voltage) | [view](../hierarchies/electric_potential_isq.md) |
-| electric_tension_phasor | Complex | L²MI⁻¹T⁻³ | — | — | [electric_potential](#electric_potential) | [voltage](#voltage) | alias to [voltage_phasor](#voltage_phasor) | [view](../hierarchies/electric_potential_isq.md) |
-| electromagnetic_energy_density | Real | ML⁻¹T⁻² | ✓ | — | [electromagnetic_energy_density](#electromagnetic_energy_density) | — | [electric_field_strength](#electric_field_strength) * [electric_flux_density](#electric_flux_density) | [view](../hierarchies/electromagnetic_energy_density.md) |
-| electromagnetism_power | Real | L²MT⁻³ | — | ✓ | [power](#power) | [power](#power) | [voltage](#voltage) * [electric_current](#electric_current) | [view](../hierarchies/power_isq.md) |
-| elementary_charge | Real | IT | — | — | [electric_charge](#electric_charge) | [electric_charge](#electric_charge) | — | [view](../hierarchies/electric_charge_isq.md) |
-| energy | Real | L²MT⁻² | ✓ | ✓ | [energy](#energy) | — | [mass](#mass) * pow<2>([length](#length)) / pow<2>([time](#time)) | [view](../hierarchies/energy_isq.md) |
-| enthalpy | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [internal_energy](#internal_energy) | — | [view](../hierarchies/energy_isq.md) |
-| entropy | Real | L²MΘ⁻¹T⁻² | ✓ | ✓ | [entropy](#entropy) | — | [kinetic_energy](#kinetic_energy) / [thermodynamic_temperature](#thermodynamic_temperature) | [view](../hierarchies/entropy.md) |
-| equivalent_binary_digit_rate | Real | T⁻¹ | — | ✓ | [transfer_rate](#transfer_rate) | [binary_digit_rate](#binary_digit_rate) | — | [view](../hierarchies/transfer_rate.md) |
-| equivalent_binary_storage_capacity | Real | — | — | ✓ | [storage_capacity](#storage_capacity) | [storage_capacity](#storage_capacity) | — | [view](../hierarchies/dimensionless.md) |
-| equivalent_bit_rate | Real | — | — | — | — | — | alias to [bit_rate](#bit_rate) | — |
-| error_probability | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
-| extinction | Real | L⁻¹ | ✓ | ✓ | [attenuation](#attenuation) | — | alias to [attenuation](#attenuation) | [view](../hierarchies/attenuation.md) |
-| force | Vector | LMT⁻² | ✓ | — | [force](#force) | — | [mass](#mass) * [length](#length) / pow<2>([time](#time)) | [view](../hierarchies/force_isq.md) |
-| frequency | Real | T⁻¹ | ✓ | ✓ | [frequency](#frequency) | — | inverse([period_duration](#period_duration)) | [view](../hierarchies/frequency_isq.md) |
-| gauge_pressure | Real | ML⁻¹T⁻² | — | — | [pressure](#pressure) | [pressure](#pressure) | — | [view](../hierarchies/pressure_isq.md) |
-| group_speed | Real | LT⁻¹ | ✓ | — | [group_speed](#group_speed) | — | [angular_frequency](#angular_frequency) / [angular_repetency](#angular_repetency) | [view](../hierarchies/group_speed.md) |
-| heat | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [internal_energy](#internal_energy) | — | [view](../hierarchies/energy_isq.md) |
-| heat_capacity | Real | L²MΘ⁻¹T⁻² | ✓ | ✓ | [heat_capacity](#heat_capacity) | — | [heat](#heat) / [thermodynamic_temperature](#thermodynamic_temperature) | [view](../hierarchies/heat_capacity.md) |
-| heat_flow_rate | Real | L²MT⁻³ | ✓ | ✓ | [heat_flow_rate](#heat_flow_rate) | — | [heat](#heat) / [time](#time) | [view](../hierarchies/heat_flow_rate.md) |
-| height | Real | L | — | ✓ | [length](#length) | [altitude](#altitude) | — | [view](../hierarchies/length_isq.md) |
-| illuminance | Real | JL⁻² | ✓ | ✓ | [illuminance](#illuminance) | — | [luminous_flux](#luminous_flux) / [area](#area) | [view](../hierarchies/illuminance_isq.md) |
-| impedance | Complex | L²MI⁻²T⁻³ | ✓ | — | [impedance](#impedance) | — | [electric_potential](#electric_potential) / [electric_current](#electric_current) | [view](../hierarchies/impedance.md) |
-| impedance_of_vacuum | Complex | L²MI⁻²T⁻³ | — | — | [impedance](#impedance) | [impedance](#impedance) | — | [view](../hierarchies/impedance.md) |
-| impulse | Vector | LMT⁻¹ | — | — | [momentum](#momentum) | [momentum](#momentum) | [force](#force) * [time](#time) | [view](../hierarchies/momentum_isq.md) |
-| induced_voltage | Real | L²MI⁻¹T⁻³ | — | — | [electric_potential](#electric_potential) | [voltage](#voltage) | — | [view](../hierarchies/electric_potential_isq.md) |
-| inductance | Real | L²MI⁻²T⁻² | ✓ | — | [inductance](#inductance) | — | [protoflux](#protoflux) / [electric_current](#electric_current) | [view](../hierarchies/inductance_isq.md) |
-| instantaneous_power | Real | L²MT⁻³ | — | ✓ | [power](#power) | [power](#power) | alias to [electromagnetism_power](#electromagnetism_power) | [view](../hierarchies/power_isq.md) |
-| internal_energy | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_isq.md) |
-| ionizing_radiation_quality_factor | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
-| irradiance | Real | MT⁻³ | ✓ | ✓ | [irradiance](#irradiance) | — | [radiant_flux](#radiant_flux) / [area](#area) | [view](../hierarchies/irradiance.md) |
-| isentropic_compressibility | Real | LT²M⁻¹ | ✓ | — | [isentropic_compressibility](#isentropic_compressibility) | [compressibility](#compressibility) | inverse([volume](#volume)) * ([volume](#volume) / [pressure](#pressure)) | [view](../hierarchies/compressibility.md) |
-| isentropic_expansion_factor | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | alias to [isentropic_exponent](#isentropic_exponent) | [view](../hierarchies/dimensionless.md) |
-| isentropic_exponent | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [volume](#volume) / [pressure](#pressure) * ([pressure](#pressure) / [volume](#volume)) | [view](../hierarchies/dimensionless.md) |
-| isothermal_compressibility | Real | LT²M⁻¹ | ✓ | — | [isothermal_compressibility](#isothermal_compressibility) | [compressibility](#compressibility) | inverse([volume](#volume)) * ([volume](#volume) / [pressure](#pressure)) | [view](../hierarchies/compressibility.md) |
-| kinematic_viscosity | Real | L²T⁻¹ | ✓ | — | [kinematic_viscosity](#kinematic_viscosity) | — | [dynamic_viscosity](#dynamic_viscosity) / [mass_density](#mass_density) | [view](../hierarchies/kinematic_viscosity.md) |
-| kinetic_energy | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [mechanical_energy](#mechanical_energy) | [mass](#mass) * pow<2>([speed](#speed)) | [view](../hierarchies/energy_isq.md) |
-| kinetic_friction_factor | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [kinetic_friction_force](#kinetic_friction_force) / [force](#force) | [view](../hierarchies/dimensionless.md) |
-| kinetic_friction_force | Vector | LMT⁻² | — | — | [force](#force) | [force](#force) | — | [view](../hierarchies/force_isq.md) |
-| latent_heat | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [heat](#heat) | — | [view](../hierarchies/energy_isq.md) |
-| leakage_factor | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | pow<2>([coupling_factor](#coupling_factor)) | [view](../hierarchies/dimensionless.md) |
-| length | Real | L | ✓ | ✓ | [length](#length) | — | — | [view](../hierarchies/length_isq.md) |
-| light_speed_in_vacuum | Real | LT⁻¹ | — | ✓ | [speed](#speed) | [speed](#speed) | alias to [speed_of_light_in_vacuum](#speed_of_light_in_vacuum) | [view](../hierarchies/speed_isq.md) |
-| line_digit_rate | Real | T⁻¹ | ✓ | ✓ | [modulation_rate](#modulation_rate) | — | alias to [modulation_rate](#modulation_rate) | [view](../hierarchies/modulation_rate.md) |
-| linear_density | Real | ML⁻¹ | ✓ | ✓ | [linear_mass_density](#linear_mass_density) | — | alias to [linear_mass_density](#linear_mass_density) | [view](../hierarchies/linear_mass_density.md) |
-| linear_density_of_electric_charge | Real | ITL⁻¹ | ✓ | — | [linear_density_of_electric_charge](#linear_density_of_electric_charge) | — | [electric_charge](#electric_charge) / [length](#length) | [view](../hierarchies/linear_density_of_electric_charge.md) |
-| linear_electric_current_density | Vector | IL⁻¹ | ✓ | — | [linear_electric_current_density](#linear_electric_current_density) | — | [surface_density_of_electric_charge](#surface_density_of_electric_charge) * [velocity](#velocity) | [view](../hierarchies/linear_electric_current_density.md) |
-| linear_expansion_coefficient | Real | Θ⁻¹ | ✓ | — | [linear_expansion_coefficient](#linear_expansion_coefficient) | — | inverse([length](#length)) * ([length](#length) / [thermodynamic_temperature](#thermodynamic_temperature)) | [view](../hierarchies/linear_expansion_coefficient.md) |
-| linear_mass_density | Real | ML⁻¹ | ✓ | ✓ | [linear_mass_density](#linear_mass_density) | — | [mass](#mass) / [length](#length) | [view](../hierarchies/linear_mass_density.md) |
-| lineic_charge | Real | ITL⁻¹ | ✓ | — | [linear_density_of_electric_charge](#linear_density_of_electric_charge) | — | alias to [linear_density_of_electric_charge](#linear_density_of_electric_charge) | [view](../hierarchies/linear_density_of_electric_charge.md) |
-| lineic_electric_charge | Real | ITL⁻¹ | ✓ | — | [linear_density_of_electric_charge](#linear_density_of_electric_charge) | — | alias to [linear_density_of_electric_charge](#linear_density_of_electric_charge) | [view](../hierarchies/linear_density_of_electric_charge.md) |
-| linked_magnetic_flux | Real | L²MI⁻¹T⁻² | — | — | [magnetic_flux](#magnetic_flux) | [magnetic_flux](#magnetic_flux) | — | [view](../hierarchies/magnetic_flux_isq.md) |
-| logarithmic_decrement | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [damping_coefficient](#damping_coefficient) * [period_duration](#period_duration) | [view](../hierarchies/dimensionless.md) |
-| loss_angle | Real | — | ✓ | — | [loss_angle](#loss_angle) | [angular_measure](#angular_measure) | — | [view](../hierarchies/dimensionless.md) |
-| loss_factor | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | inverse([quality_factor](#quality_factor)) | [view](../hierarchies/dimensionless.md) |
-| loss_probability | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
-| luminal_speed | Real | LT⁻¹ | — | ✓ | [speed](#speed) | [speed](#speed) | alias to [speed_of_light_in_vacuum](#speed_of_light_in_vacuum) | [view](../hierarchies/speed_isq.md) |
-| luminous_flux | Real | J | ✓ | ✓ | [luminous_flux](#luminous_flux) | — | [luminous_intensity](#luminous_intensity) * [solid_angular_measure](#solid_angular_measure) | [view](../hierarchies/luminous_flux_isq.md) |
-| luminous_intensity | Real | J | ✓ | ✓ | [luminous_intensity](#luminous_intensity) | — | — | [view](../hierarchies/luminous_intensity_isq.md) |
-| magnetic_area_moment | Vector | IL² | ✓ | — | [magnetic_moment](#magnetic_moment) | — | alias to [magnetic_moment](#magnetic_moment) | [view](../hierarchies/magnetic_moment.md) |
-| magnetic_constant | Real | LMI⁻²T⁻² | ✓ | — | [magnetic_constant](#magnetic_constant) | — | [electric_potential](#electric_potential) * [time](#time) / ([electric_current](#electric_current) * [length](#length)) | [view](../hierarchies/magnetic_constant.md) |
-| magnetic_dipole_moment | Vector | L³MI⁻¹T⁻² | ✓ | — | [magnetic_dipole_moment](#magnetic_dipole_moment) | — | [magnetic_constant](#magnetic_constant) * [magnetic_moment](#magnetic_moment) | [view](../hierarchies/magnetic_dipole_moment.md) |
-| magnetic_field_strength | Vector | IL⁻¹ | — | — | [magnetization](#magnetization) | [magnetization](#magnetization) | — | [view](../hierarchies/magnetization.md) |
-| magnetic_flux | Real | L²MI⁻¹T⁻² | ✓ | — | [magnetic_flux](#magnetic_flux) | — | [magnetic_flux_density](#magnetic_flux_density) * [area](#area) | [view](../hierarchies/magnetic_flux_isq.md) |
-| magnetic_flux_density | Vector | MI⁻¹T⁻² | ✓ | — | [magnetic_flux_density](#magnetic_flux_density) | — | [mass](#mass) / ([electric_current](#electric_current) * pow<2>([time](#time))) | [view](../hierarchies/magnetic_flux_density.md) |
-| magnetic_moment | Vector | IL² | ✓ | — | [magnetic_moment](#magnetic_moment) | — | [electric_current](#electric_current) * [area](#area) | [view](../hierarchies/magnetic_moment.md) |
-| magnetic_polarization | Vector | MI⁻¹T⁻² | — | — | [magnetic_flux_density](#magnetic_flux_density) | [magnetic_flux_density](#magnetic_flux_density) | [magnetic_constant](#magnetic_constant) * [magnetization](#magnetization) | [view](../hierarchies/magnetic_flux_density.md) |
-| magnetic_potential | Real | I | — | — | [electric_current](#electric_current) | [electric_current](#electric_current) | — | [view](../hierarchies/electric_current_isq.md) |
-| magnetic_susceptibility | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [magnetization](#magnetization) / [magnetic_field_strength](#magnetic_field_strength) | [view](../hierarchies/dimensionless.md) |
-| magnetic_tension | Real | I | — | — | [electric_current](#electric_current) | [electric_current](#electric_current) | [magnetic_field_strength](#magnetic_field_strength) * [position_vector](#position_vector) | [view](../hierarchies/electric_current_isq.md) |
-| magnetic_vector_potential | Vector | LMI⁻¹T⁻² | ✓ | — | [magnetic_vector_potential](#magnetic_vector_potential) | — | [magnetic_flux_density](#magnetic_flux_density) * [length](#length) | [view](../hierarchies/magnetic_vector_potential.md) |
-| magnetization | Vector | IL⁻¹ | ✓ | — | [magnetization](#magnetization) | — | [magnetic_moment](#magnetic_moment) / [volume](#volume) | [view](../hierarchies/magnetization.md) |
-| magnetizing_field | Vector | IL⁻¹ | — | — | [magnetization](#magnetization) | [magnetization](#magnetization) | alias to [magnetic_field_strength](#magnetic_field_strength) | [view](../hierarchies/magnetization.md) |
-| magnetomotive_force | Real | I | — | — | [electric_current](#electric_current) | [electric_current](#electric_current) | [magnetic_field_strength](#magnetic_field_strength) * [position_vector](#position_vector) | [view](../hierarchies/electric_current_isq.md) |
-| mass | Real | M | ✓ | ✓ | [mass](#mass) | — | — | [view](../hierarchies/mass_isq.md) |
-| mass_change_rate | Real | MT⁻¹ | ✓ | ✓ | [mass_change_rate](#mass_change_rate) | — | [mass](#mass) / [time](#time) | [view](../hierarchies/mass_change_rate.md) |
-| mass_concentration_of_water | Real | ML⁻³ | ✓ | ✓ | [mass_concentration_of_water](#mass_concentration_of_water) | [mass_density](#mass_density) | [mass](#mass) / [volume](#volume) | [view](../hierarchies/mass_density.md) |
-| mass_concentration_of_water_vapour | Real | ML⁻³ | ✓ | ✓ | [mass_concentration_of_water_vapour](#mass_concentration_of_water_vapour) | [mass_density](#mass_density) | [mass](#mass) / [volume](#volume) | [view](../hierarchies/mass_density.md) |
-| mass_density | Real | ML⁻³ | ✓ | ✓ | [mass_density](#mass_density) | — | [mass](#mass) / [volume](#volume) | [view](../hierarchies/mass_density.md) |
-| mass_flow | Vector | ML⁻²T⁻¹ | ✓ | — | [mass_flow](#mass_flow) | — | [mass_density](#mass_density) * [velocity](#velocity) | [view](../hierarchies/mass_flow.md) |
-| mass_flow_rate | Real | MT⁻¹ | ✓ | — | [mass_flow_rate](#mass_flow_rate) | — | [mass_flow](#mass_flow) * [area](#area) | [view](../hierarchies/mass_flow_rate.md) |
-| mass_fraction_of_dry_matter | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [mass_fraction_of_water](#mass_fraction_of_water) | — | [view](../hierarchies/dimensionless.md) |
-| mass_fraction_of_water | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [mass_ratio_of_water_to_dry_matter](#mass_ratio_of_water_to_dry_matter) / [mass_ratio_of_water_to_dry_matter](#mass_ratio_of_water_to_dry_matter) | [view](../hierarchies/dimensionless.md) |
-| mass_ratio_of_water_to_dry_matter | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [mass](#mass) / [mass](#mass) | [view](../hierarchies/dimensionless.md) |
-| mass_ratio_of_water_vapour_to_dry_gas | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [mass](#mass) / [mass](#mass) | [view](../hierarchies/dimensionless.md) |
-| maximum_efficiency | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [thermodynamic_temperature](#thermodynamic_temperature) / [thermodynamic_temperature](#thermodynamic_temperature) | [view](../hierarchies/dimensionless.md) |
-| mean_queue_length | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
-| mechanical_efficiency | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [mechanical_power](#mechanical_power) / [mechanical_power](#mechanical_power) | [view](../hierarchies/dimensionless.md) |
-| mechanical_energy | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [mechanical_work](#mechanical_work) | [mass](#mass) * pow<2>([length](#length)) / pow<2>([time](#time)) | [view](../hierarchies/energy_isq.md) |
-| mechanical_power | Real | L²MT⁻³ | — | ✓ | [power](#power) | [power](#power) | [force](#force) * [velocity](#velocity) | [view](../hierarchies/power_isq.md) |
-| mechanical_work | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [energy](#energy) | [force](#force) * [displacement](#displacement) | [view](../hierarchies/energy_isq.md) |
-| modulation_rate | Real | T⁻¹ | ✓ | ✓ | [modulation_rate](#modulation_rate) | — | inverse([duration](#duration)) | [view](../hierarchies/modulation_rate.md) |
-| modulus_of_compression | Real | ML⁻¹T⁻² | — | — | [pressure](#pressure) | [pressure](#pressure) | [pressure](#pressure) / [relative_volume_strain](#relative_volume_strain) | [view](../hierarchies/pressure_isq.md) |
-| modulus_of_elasticity | Real | ML⁻¹T⁻² | — | — | [pressure](#pressure) | [normal_stress](#normal_stress) | [normal_stress](#normal_stress) / [relative_linear_strain](#relative_linear_strain) | [view](../hierarchies/pressure_isq.md) |
-| modulus_of_rigidity | Real | ML⁻¹T⁻² | — | — | [pressure](#pressure) | [shear_stress](#shear_stress) | [shear_stress](#shear_stress) / [shear_strain](#shear_strain) | [view](../hierarchies/pressure_isq.md) |
-| moment_of_force | Vector | L²MT⁻² | ✓ | — | [moment_of_force](#moment_of_force) | — | [position_vector](#position_vector) * [force](#force) | [view](../hierarchies/moment_of_force_isq.md) |
-| moment_of_inertia | Tensor | L²M | ✓ | — | [moment_of_inertia](#moment_of_inertia) | — | [angular_momentum](#angular_momentum) / [angular_velocity](#angular_velocity) | [view](../hierarchies/moment_of_inertia_isq.md) |
-| momentum | Vector | LMT⁻¹ | ✓ | — | [momentum](#momentum) | — | [mass](#mass) * [velocity](#velocity) | [view](../hierarchies/momentum_isq.md) |
-| mutual_inductance | Real | L²MI⁻²T⁻² | — | — | [inductance](#inductance) | [inductance](#inductance) | [protoflux](#protoflux) / [electric_current](#electric_current) | [view](../hierarchies/inductance_isq.md) |
-| non_active_power | Real | L²MT⁻³ | — | — | [complex_power](#complex_power) | [apparent_power](#apparent_power) | pow<1, 2>(pow<2>([apparent_power](#apparent_power))) | [view](../hierarchies/complex_power.md) |
-| normal_stress | Real | ML⁻¹T⁻² | — | — | [pressure](#pressure) | [stress](#stress) | — | [view](../hierarchies/pressure_isq.md) |
-| number_of_turns_in_a_winding | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
-| path_length | Real | L | — | ✓ | [length](#length) | [length](#length) | — | [view](../hierarchies/length_isq.md) |
-| period | Real | T | — | ✓ | [duration](#duration) | [duration](#duration) | alias to [period_duration](#period_duration) | [view](../hierarchies/duration_isq.md) |
-| period_duration | Real | T | — | ✓ | [duration](#duration) | [duration](#duration) | — | [view](../hierarchies/duration_isq.md) |
-| period_of_binary_digits | Real | T | — | ✓ | [duration](#duration) | [period_duration](#period_duration) | inverse([binary_digit_rate](#binary_digit_rate)) | [view](../hierarchies/duration_isq.md) |
-| period_of_data_elements | Real | T | — | ✓ | [duration](#duration) | [period_duration](#period_duration) | inverse([transfer_rate](#transfer_rate)) | [view](../hierarchies/duration_isq.md) |
-| permeability | Real | LMI⁻²T⁻² | ✓ | — | [permeability](#permeability) | — | [magnetic_flux_density](#magnetic_flux_density) / [magnetic_field_strength](#magnetic_field_strength) | [view](../hierarchies/permeability.md) |
-| permeability_of_vacuum | Real | LMI⁻²T⁻² | ✓ | — | [magnetic_constant](#magnetic_constant) | — | alias to [magnetic_constant](#magnetic_constant) | [view](../hierarchies/magnetic_constant.md) |
-| permeance | Real | L²MI⁻²T⁻² | ✓ | — | [permeance](#permeance) | — | inverse([reluctance](#reluctance)) | [view](../hierarchies/permeance.md) |
-| permittivity | Real | I²T⁴L⁻³M⁻¹ | ✓ | — | [permittivity](#permittivity) | — | [electric_flux_density](#electric_flux_density) / [electric_field_strength](#electric_field_strength) | [view](../hierarchies/permittivity.md) |
-| permittivity_of_vacuum | Real | I²T⁴L⁻³M⁻¹ | ✓ | — | [electric_constant](#electric_constant) | — | alias to [electric_constant](#electric_constant) | [view](../hierarchies/electric_constant.md) |
-| phase_angle | Real | — | ✓ | — | [phase_angle](#phase_angle) | [angular_measure](#angular_measure) | — | [view](../hierarchies/dimensionless.md) |
-| phase_coefficient | Real | L⁻¹ | ✓ | — | [phase_coefficient](#phase_coefficient) | — | [phase_angle](#phase_angle) / [path_length](#path_length) | [view](../hierarchies/phase_coefficient_isq.md) |
-| phase_difference | Real | — | — | — | [phase_angle](#phase_angle) | [phase_angle](#phase_angle) | — | [view](../hierarchies/dimensionless.md) |
-| phase_speed | Real | LT⁻¹ | ✓ | — | [phase_speed](#phase_speed) | — | [angular_frequency](#angular_frequency) / [angular_repetency](#angular_repetency) | [view](../hierarchies/phase_speed.md) |
-| phase_speed_of_electromagnetic_waves | Real | LT⁻¹ | ✓ | — | [phase_speed_of_electromagnetic_waves](#phase_speed_of_electromagnetic_waves) | — | [angular_frequency](#angular_frequency) / [angular_wavenumber](#angular_wavenumber) | [view](../hierarchies/phase_speed_of_electromagnetic_waves.md) |
-| position_vector | Vector | L | — | — | [length](#length) | [displacement](#displacement) | — | [view](../hierarchies/length_isq.md) |
-| potential_energy | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [mechanical_energy](#mechanical_energy) | — | [view](../hierarchies/energy_isq.md) |
-| power | Real | L²MT⁻³ | ✓ | ✓ | [power](#power) | — | [mass](#mass) * pow<2>([length](#length)) / pow<3>([time](#time)) | [view](../hierarchies/power_isq.md) |
-| power_factor | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [active_power](#active_power) / [apparent_power](#apparent_power) | [view](../hierarchies/dimensionless.md) |
-| pressure | Real | ML⁻¹T⁻² | ✓ | — | [pressure](#pressure) | — | [force](#force) / [area](#area) | [view](../hierarchies/pressure_isq.md) |
-| pressure_coefficient | Real | ML⁻¹Θ⁻¹T⁻² | ✓ | — | [pressure_coefficient](#pressure_coefficient) | — | [pressure](#pressure) / [thermodynamic_temperature](#thermodynamic_temperature) | [view](../hierarchies/pressure_coefficient.md) |
-| propagation_coefficient | Real | L⁻¹ | ✓ | ✓ | [propagation_coefficient](#propagation_coefficient) | — | inverse([length](#length)) | [view](../hierarchies/propagation_coefficient_isq.md) |
-| protoflux | Real | L²MI⁻¹T⁻² | ✓ | — | [protoflux](#protoflux) | — | [magnetic_vector_potential](#magnetic_vector_potential) * [displacement](#displacement) | [view](../hierarchies/protoflux.md) |
-| quality_factor | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [reactance](#reactance) / [resistance](#resistance) | [view](../hierarchies/dimensionless.md) |
-| quantizing_distortion_power | Real | L²MT⁻³ | — | ✓ | [power](#power) | [power](#power) | — | [view](../hierarchies/power_isq.md) |
-| radial_distance | Real | L | — | ✓ | [length](#length) | [distance](#distance) | — | [view](../hierarchies/length_isq.md) |
-| radiance | Real | MT⁻³ | ✓ | ✓ | [radiance](#radiance) | — | [radiant_intensity](#radiant_intensity) / [area](#area) | [view](../hierarchies/radiance.md) |
-| radiant_energy | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_isq.md) |
-| radiant_energy_density | Real | ML⁻¹T⁻² | ✓ | ✓ | [radiant_energy_density](#radiant_energy_density) | — | [radiant_energy](#radiant_energy) / [volume](#volume) | [view](../hierarchies/radiant_energy_density.md) |
-| radiant_exitance | Real | MT⁻³ | ✓ | ✓ | [radiant_exitance](#radiant_exitance) | — | [radiant_flux](#radiant_flux) / [area](#area) | [view](../hierarchies/radiant_exitance.md) |
-| radiant_exposure | Real | MT⁻² | ✓ | ✓ | [radiant_exposure](#radiant_exposure) | — | [radiant_energy](#radiant_energy) / [area](#area) | [view](../hierarchies/radiant_exposure.md) |
-| radiant_flux | Real | L²MT⁻³ | — | ✓ | [power](#power) | [power](#power) | [radiant_energy](#radiant_energy) / [time](#time) | [view](../hierarchies/power_isq.md) |
-| radiant_intensity | Real | L²MT⁻³ | ✓ | ✓ | [radiant_intensity](#radiant_intensity) | — | [radiant_flux](#radiant_flux) / [solid_angular_measure](#solid_angular_measure) | [view](../hierarchies/radiant_intensity.md) |
-| radiant_power | Real | L²MT⁻³ | — | ✓ | [power](#power) | [power](#power) | alias to [radiant_flux](#radiant_flux) | [view](../hierarchies/power_isq.md) |
-| radius | Real | L | — | ✓ | [length](#length) | [width](#width) | — | [view](../hierarchies/length_isq.md) |
-| radius_of_curvature | Real | L | — | ✓ | [length](#length) | [radius](#radius) | — | [view](../hierarchies/length_isq.md) |
-| ratio_of_specific_heat_capacities | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [specific_heat_capacity_at_constant_pressure](#specific_heat_capacity_at_constant_pressure) / [specific_heat_capacity_at_constant_volume](#specific_heat_capacity_at_constant_volume) | [view](../hierarchies/dimensionless.md) |
-| reactance | Real | L²MI⁻²T⁻³ | — | — | [impedance](#impedance) | [impedance](#impedance) | — | [view](../hierarchies/impedance.md) |
-| reactive_power | Real | L²MT⁻³ | ✓ | — | [reactive_power](#reactive_power) | — | [mass](#mass) * pow<2>([length](#length)) / pow<3>([duration](#duration)) | [view](../hierarchies/reactive_power.md) |
-| refractive_index | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [speed_of_light_in_vacuum](#speed_of_light_in_vacuum) / [speed_of_light_in_a_medium](#speed_of_light_in_a_medium) | [view](../hierarchies/dimensionless.md) |
-| relative_density | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | alias to [relative_mass_density](#relative_mass_density) | [view](../hierarchies/dimensionless.md) |
-| relative_humidity | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [pressure](#pressure) / [pressure](#pressure) | [view](../hierarchies/dimensionless.md) |
-| relative_linear_strain | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [length](#length) / [length](#length) | [view](../hierarchies/dimensionless.md) |
-| relative_mass_concentration_of_vapour | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [mass_concentration_of_water_vapour](#mass_concentration_of_water_vapour) / [mass_concentration_of_water_vapour](#mass_concentration_of_water_vapour) | [view](../hierarchies/dimensionless.md) |
-| relative_mass_density | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [mass_density](#mass_density) / [mass_density](#mass_density) | [view](../hierarchies/dimensionless.md) |
-| relative_mass_ratio_of_vapour | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [mass_ratio_of_water_vapour_to_dry_gas](#mass_ratio_of_water_vapour_to_dry_gas) / [mass_ratio_of_water_vapour_to_dry_gas](#mass_ratio_of_water_vapour_to_dry_gas) | [view](../hierarchies/dimensionless.md) |
-| relative_permeability | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [permeability](#permeability) / [magnetic_constant](#magnetic_constant) | [view](../hierarchies/dimensionless.md) |
-| relative_permittivity | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [permittivity](#permittivity) / [electric_constant](#electric_constant) | [view](../hierarchies/dimensionless.md) |
-| relative_pressure_coefficient | Real | Θ⁻¹ | ✓ | — | [relative_pressure_coefficient](#relative_pressure_coefficient) | — | inverse([pressure](#pressure)) * ([pressure](#pressure) / [thermodynamic_temperature](#thermodynamic_temperature)) | [view](../hierarchies/relative_pressure_coefficient.md) |
-| relative_volume_strain | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [volume](#volume) / [volume](#volume) | [view](../hierarchies/dimensionless.md) |
-| reluctance | Real | I²T²L⁻²M⁻¹ | ✓ | — | [reluctance](#reluctance) | — | [magnetic_tension](#magnetic_tension) / [magnetic_flux](#magnetic_flux) | [view](../hierarchies/reluctance.md) |
-| repetency | Real | L⁻¹ | ✓ | ✓ | [repetency](#repetency) | — | inverse([wavelength](#wavelength)) | [view](../hierarchies/repetency.md) |
-| resistance | Real | L²MI⁻²T⁻³ | — | — | [impedance](#impedance) | [impedance](#impedance) | [voltage](#voltage) / [electric_current](#electric_current) | [view](../hierarchies/impedance.md) |
-| resistance_to_alternating_current | Real | L²MI⁻²T⁻³ | — | — | [impedance](#impedance) | [impedance](#impedance) | — | [view](../hierarchies/impedance.md) |
-| resistivity | Real | L³MI⁻²T⁻³ | ✓ | — | [resistivity](#resistivity) | — | inverse([conductivity](#conductivity)) | [view](../hierarchies/resistivity.md) |
-| rolling_drag | Vector | LMT⁻² | — | — | [force](#force) | [force](#force) | alias to [rolling_resistance](#rolling_resistance) | [view](../hierarchies/force_isq.md) |
-| rolling_friction_force | Vector | LMT⁻² | — | — | [force](#force) | [force](#force) | alias to [rolling_resistance](#rolling_resistance) | [view](../hierarchies/force_isq.md) |
-| rolling_resistance | Vector | LMT⁻² | — | — | [force](#force) | [force](#force) | — | [view](../hierarchies/force_isq.md) |
-| rolling_resistance_factor | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [force](#force) / [force](#force) | [view](../hierarchies/dimensionless.md) |
-| rotation | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
-| rotational_displacement | Real | — | — | — | [angular_measure](#angular_measure) | [angular_measure](#angular_measure) | [path_length](#path_length) / [radius](#radius) | [view](../hierarchies/dimensionless.md) |
-| rotational_frequency | Real | T⁻¹ | ✓ | — | [rotational_frequency](#rotational_frequency) | — | [rotation](#rotation) / [duration](#duration) | [view](../hierarchies/rotational_frequency.md) |
-| second_axial_moment_of_area | Real | L⁴ | ✓ | ✓ | [second_axial_moment_of_area](#second_axial_moment_of_area) | — | pow<2>([radial_distance](#radial_distance)) * [area](#area) | [view](../hierarchies/second_axial_moment_of_area.md) |
-| second_polar_moment_of_area | Real | L⁴ | ✓ | ✓ | [second_polar_moment_of_area](#second_polar_moment_of_area) | — | pow<2>([radial_distance](#radial_distance)) * [area](#area) | [view](../hierarchies/second_polar_moment_of_area.md) |
-| section_modulus | Real | L³ | ✓ | ✓ | [section_modulus](#section_modulus) | — | [second_axial_moment_of_area](#second_axial_moment_of_area) / [radial_distance](#radial_distance) | [view](../hierarchies/section_modulus.md) |
-| self_inductance | Real | L²MI⁻²T⁻² | ✓ | — | [inductance](#inductance) | — | alias to [inductance](#inductance) | [view](../hierarchies/inductance_isq.md) |
-| shear_modulus | Real | ML⁻¹T⁻² | — | — | [pressure](#pressure) | [shear_stress](#shear_stress) | alias to [modulus_of_rigidity](#modulus_of_rigidity) | [view](../hierarchies/pressure_isq.md) |
-| shear_strain | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [displacement](#displacement) / [thickness](#thickness) | [view](../hierarchies/dimensionless.md) |
-| shear_stress | Real | ML⁻¹T⁻² | — | — | [pressure](#pressure) | [stress](#stress) | — | [view](../hierarchies/pressure_isq.md) |
-| signal_energy_per_binary_digit | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [energy](#energy) | [carrier_power](#carrier_power) * [period_of_binary_digits](#period_of_binary_digits) | [view](../hierarchies/energy_isq.md) |
-| solid_angular_measure | Real | — | ✓ | ✓ | [solid_angular_measure](#solid_angular_measure) | [dimensionless](core.md#dimensionless) | [area](#area) / pow<2>([radius](#radius)) | [view](../hierarchies/dimensionless.md) |
-| source_tension | Real | L²MI⁻¹T⁻³ | — | — | [electric_potential](#electric_potential) | [voltage](#voltage) | alias to [source_voltage](#source_voltage) | [view](../hierarchies/electric_potential_isq.md) |
-| source_voltage | Real | L²MI⁻¹T⁻³ | — | — | [electric_potential](#electric_potential) | [voltage](#voltage) | — | [view](../hierarchies/electric_potential_isq.md) |
-| specific_Gibbs_energy | Real | L²T⁻² | — | ✓ | [specific_energy](#specific_energy) | [specific_enthalpy](#specific_enthalpy) | [Gibbs_energy](#Gibbs_energy) / [mass](#mass) | [view](../hierarchies/specific_energy.md) |
-| specific_Gibbs_function | Real | L²T⁻² | — | ✓ | [specific_energy](#specific_energy) | [specific_enthalpy](#specific_enthalpy) | alias to [specific_Gibbs_energy](#specific_Gibbs_energy) | [view](../hierarchies/specific_energy.md) |
-| specific_Helmholtz_energy | Real | L²T⁻² | — | ✓ | [specific_energy](#specific_energy) | [specific_internal_energy](#specific_internal_energy) | [Helmholtz_energy](#Helmholtz_energy) / [mass](#mass) | [view](../hierarchies/specific_energy.md) |
-| specific_Helmholtz_function | Real | L²T⁻² | — | ✓ | [specific_energy](#specific_energy) | [specific_internal_energy](#specific_internal_energy) | alias to [specific_Helmholtz_energy](#specific_Helmholtz_energy) | [view](../hierarchies/specific_energy.md) |
-| specific_energy | Real | L²T⁻² | ✓ | ✓ | [specific_energy](#specific_energy) | — | [energy](#energy) / [mass](#mass) | [view](../hierarchies/specific_energy.md) |
-| specific_enthalpy | Real | L²T⁻² | — | ✓ | [specific_energy](#specific_energy) | [specific_internal_energy](#specific_internal_energy) | [enthalpy](#enthalpy) / [mass](#mass) | [view](../hierarchies/specific_energy.md) |
-| specific_entropy | Real | L²Θ⁻¹T⁻² | ✓ | ✓ | [specific_entropy](#specific_entropy) | — | [entropy](#entropy) / [mass](#mass) | [view](../hierarchies/specific_entropy.md) |
-| specific_gas_constant | Real | L²Θ⁻¹T⁻² | ✓ | ✓ | [specific_gas_constant](#specific_gas_constant) | — | [entropy](#entropy) / [mass](#mass) | [view](../hierarchies/specific_gas_constant.md) |
-| specific_heat_capacity | Real | L²Θ⁻¹T⁻² | ✓ | ✓ | [specific_heat_capacity](#specific_heat_capacity) | — | [heat_capacity](#heat_capacity) / [mass](#mass) | [view](../hierarchies/specific_heat_capacity.md) |
-| specific_heat_capacity_at_constant_pressure | Real | L²Θ⁻¹T⁻² | — | ✓ | [specific_heat_capacity](#specific_heat_capacity) | [specific_heat_capacity](#specific_heat_capacity) | — | [view](../hierarchies/specific_heat_capacity.md) |
-| specific_heat_capacity_at_constant_volume | Real | L²Θ⁻¹T⁻² | — | ✓ | [specific_heat_capacity](#specific_heat_capacity) | [specific_heat_capacity](#specific_heat_capacity) | — | [view](../hierarchies/specific_heat_capacity.md) |
-| specific_heat_capacity_at_saturated_vapour_pressure | Real | L²Θ⁻¹T⁻² | — | ✓ | [specific_heat_capacity](#specific_heat_capacity) | [specific_heat_capacity](#specific_heat_capacity) | — | [view](../hierarchies/specific_heat_capacity.md) |
-| specific_internal_energy | Real | L²T⁻² | — | ✓ | [specific_energy](#specific_energy) | [specific_energy](#specific_energy) | [internal_energy](#internal_energy) / [mass](#mass) | [view](../hierarchies/specific_energy.md) |
-| specific_thermodynamic_energy | Real | L²T⁻² | — | ✓ | [specific_energy](#specific_energy) | [specific_energy](#specific_energy) | alias to [specific_internal_energy](#specific_internal_energy) | [view](../hierarchies/specific_energy.md) |
-| specific_volume | Real | L³M⁻¹ | ✓ | ✓ | [specific_volume](#specific_volume) | — | inverse([mass_density](#mass_density)) | [view](../hierarchies/specific_volume.md) |
-| spectral_irradiance | Real | ML⁻¹T⁻³ | ✓ | ✓ | [spectral_irradiance](#spectral_irradiance) | — | [irradiance](#irradiance) / [wavelength](#wavelength) | [view](../hierarchies/spectral_irradiance.md) |
-| spectral_radiance | Real | ML⁻¹T⁻³ | ✓ | ✓ | [spectral_radiance](#spectral_radiance) | — | [radiance](#radiance) / [wavelength](#wavelength) | [view](../hierarchies/spectral_radiance.md) |
-| spectral_radiant_energy | Real | LMT⁻² | ✓ | ✓ | [spectral_radiant_energy](#spectral_radiant_energy) | — | [radiant_energy](#radiant_energy) / [wavelength](#wavelength) | [view](../hierarchies/spectral_radiant_energy.md) |
-| spectral_radiant_energy_density_in_terms_of_wavelength | Real | ML⁻²T⁻² | ✓ | ✓ | [spectral_radiant_energy_density_in_terms_of_wavelength](#spectral_radiant_energy_density_in_terms_of_wavelength) | — | [radiant_energy_density](#radiant_energy_density) / [wavelength](#wavelength) | [view](../hierarchies/spectral_radiant_energy_density_in_terms_of_wavelength.md) |
-| spectral_radiant_energy_density_in_terms_of_wavenumber | Real | MT⁻² | ✓ | ✓ | [spectral_radiant_energy_density_in_terms_of_wavenumber](#spectral_radiant_energy_density_in_terms_of_wavenumber) | — | [radiant_energy_density](#radiant_energy_density) / [wavenumber](#wavenumber) | [view](../hierarchies/spectral_radiant_energy_density_in_terms_of_wavenumber.md) |
-| spectral_radiant_exitance | Real | ML⁻¹T⁻³ | ✓ | ✓ | [spectral_radiant_exitance](#spectral_radiant_exitance) | — | [radiant_exitance](#radiant_exitance) / [wavelength](#wavelength) | [view](../hierarchies/spectral_radiant_exitance.md) |
-| spectral_radiant_exposure | Real | ML⁻¹T⁻² | ✓ | ✓ | [spectral_radiant_exposure](#spectral_radiant_exposure) | — | [radiant_exposure](#radiant_exposure) / [wavelength](#wavelength) | [view](../hierarchies/spectral_radiant_exposure.md) |
-| spectral_radiant_flux | Real | LMT⁻³ | ✓ | ✓ | [spectral_radiant_flux](#spectral_radiant_flux) | — | [radiant_flux](#radiant_flux) / [wavelength](#wavelength) | [view](../hierarchies/spectral_radiant_flux.md) |
-| spectral_radiant_intensity | Real | LMT⁻³ | ✓ | ✓ | [spectral_radiant_intensity](#spectral_radiant_intensity) | — | [radiant_intensity](#radiant_intensity) / [wavelength](#wavelength) | [view](../hierarchies/spectral_radiant_intensity.md) |
-| spectral_radiant_power | Real | LMT⁻³ | ✓ | ✓ | [spectral_radiant_flux](#spectral_radiant_flux) | — | alias to [spectral_radiant_flux](#spectral_radiant_flux) | [view](../hierarchies/spectral_radiant_flux.md) |
-| speed | Real | LT⁻¹ | ✓ | ✓ | [speed](#speed) | — | [length](#length) / [time](#time) | [view](../hierarchies/speed_isq.md) |
-| speed_of_light_in_a_medium | Real | LT⁻¹ | — | ✓ | [speed](#speed) | [speed](#speed) | — | [view](../hierarchies/speed_isq.md) |
-| speed_of_light_in_vacuum | Real | LT⁻¹ | — | ✓ | [speed](#speed) | [speed](#speed) | — | [view](../hierarchies/speed_isq.md) |
-| static_friction | Vector | LMT⁻² | — | — | [force](#force) | [force](#force) | alias to [static_friction_force](#static_friction_force) | [view](../hierarchies/force_isq.md) |
-| static_friction_coefficient | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [static_friction_force](#static_friction_force) / [force](#force) | [view](../hierarchies/dimensionless.md) |
-| static_friction_factor | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | alias to [static_friction_coefficient](#static_friction_coefficient) | [view](../hierarchies/dimensionless.md) |
-| static_friction_force | Vector | LMT⁻² | — | — | [force](#force) | [force](#force) | — | [view](../hierarchies/force_isq.md) |
-| storage_capacity | Real | — | ✓ | ✓ | [storage_capacity](#storage_capacity) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
-| storage_size | Real | — | ✓ | ✓ | [storage_capacity](#storage_capacity) | [dimensionless](core.md#dimensionless) | alias to [storage_capacity](#storage_capacity) | [view](../hierarchies/dimensionless.md) |
-| strain | Tensor | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
-| stress | Tensor | ML⁻¹T⁻² | — | — | [pressure](#pressure) | [pressure](#pressure) | — | [view](../hierarchies/pressure_isq.md) |
-| surface_coefficient_of_heat_transfer | Real | MΘ⁻¹T⁻³ | ✓ | ✓ | [surface_coefficient_of_heat_transfer](#surface_coefficient_of_heat_transfer) | — | [density_of_heat_flow_rate](#density_of_heat_flow_rate) / [thermodynamic_temperature](#thermodynamic_temperature) | [view](../hierarchies/surface_coefficient_of_heat_transfer.md) |
-| surface_density | Real | ML⁻² | ✓ | ✓ | [surface_mass_density](#surface_mass_density) | — | alias to [surface_mass_density](#surface_mass_density) | [view](../hierarchies/surface_mass_density.md) |
-| surface_density_of_electric_charge | Real | ITL⁻² | ✓ | — | [surface_density_of_electric_charge](#surface_density_of_electric_charge) | — | [electric_charge](#electric_charge) / [area](#area) | [view](../hierarchies/surface_density_of_electric_charge.md) |
-| surface_mass_density | Real | ML⁻² | ✓ | ✓ | [surface_mass_density](#surface_mass_density) | — | [mass](#mass) / [area](#area) | [view](../hierarchies/surface_mass_density.md) |
-| surface_tension | Real | MT⁻² | ✓ | — | [surface_tension](#surface_tension) | — | [force](#force) / [length](#length) | [view](../hierarchies/surface_tension.md) |
-| susceptance | Real | I²T³L⁻²M⁻¹ | — | — | [admittance](#admittance) | [admittance](#admittance) | — | [view](../hierarchies/admittance.md) |
-| thermal_conductance | Real | L²MΘ⁻¹T⁻³ | ✓ | ✓ | [thermal_conductance](#thermal_conductance) | — | inverse([thermal_resistance](#thermal_resistance)) | [view](../hierarchies/thermal_conductance.md) |
-| thermal_conductivity | Real | LMΘ⁻¹T⁻³ | ✓ | ✓ | [thermal_conductivity](#thermal_conductivity) | — | [density_of_heat_flow_rate](#density_of_heat_flow_rate) *([length](#length) / [thermodynamic_temperature](#thermodynamic_temperature)) | [view](../hierarchies/thermal_conductivity.md) |
-| thermal_diffusivity | Real | L²T⁻¹ | ✓ | ✓ | [thermal_diffusivity](#thermal_diffusivity) | — | [thermal_conductivity](#thermal_conductivity) / ([mass_density](#mass_density) * [specific_heat_capacity_at_constant_pressure](#specific_heat_capacity_at_constant_pressure)) | [view](../hierarchies/thermal_diffusivity.md) |
-| thermal_insulance | Real | ΘT³M⁻¹ | ✓ | ✓ | [thermal_insulance](#thermal_insulance) | — | inverse([coefficient_of_heat_transfer](#coefficient_of_heat_transfer)) | [view](../hierarchies/thermal_insulance.md) |
-| thermal_resistance | Real | ΘT³L⁻²M⁻¹ | ✓ | ✓ | [thermal_resistance](#thermal_resistance) | — | [thermodynamic_temperature](#thermodynamic_temperature) / [heat_flow_rate](#heat_flow_rate) | [view](../hierarchies/thermal_resistance.md) |
-| thermodynamic_efficiency | Real | — | — | — | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [work](#work) / [heat](#heat) | [view](../hierarchies/dimensionless.md) |
-| thermodynamic_energy | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [energy](#energy) | alias to [internal_energy](#internal_energy) | [view](../hierarchies/energy_isq.md) |
-| thermodynamic_temperature | Real | Θ | ✓ | ✓ | [thermodynamic_temperature](#thermodynamic_temperature) | — | — | [view](../hierarchies/thermodynamic_temperature.md) |
-| thickness | Real | L | — | ✓ | [length](#length) | [width](#width) | — | [view](../hierarchies/length_isq.md) |
-| time | Real | T | ✓ | ✓ | [duration](#duration) | — | alias to [duration](#duration) | [view](../hierarchies/duration_isq.md) |
-| time_constant | Real | T | — | ✓ | [duration](#duration) | [duration](#duration) | — | [view](../hierarchies/duration_isq.md) |
-| torque | Real | L²MT⁻² | — | — | [moment_of_force](#moment_of_force) | [moment_of_force](#moment_of_force) | — | [view](../hierarchies/moment_of_force_isq.md) |
-| total_current | Real | I | — | — | [electric_current](#electric_current) | [electric_current](#electric_current) | — | [view](../hierarchies/electric_current_isq.md) |
-| total_current_density | Vector | IL⁻² | — | — | [electric_current_density](#electric_current_density) | [electric_current_density](#electric_current_density) | — | [view](../hierarchies/electric_current_density.md) |
-| total_magnetic_flux | Real | L²MI⁻¹T⁻² | — | — | [magnetic_flux](#magnetic_flux) | [magnetic_flux](#magnetic_flux) | — | [view](../hierarchies/magnetic_flux_isq.md) |
-| traffic_carried_intensity | Real | A | — | ✓ | [traffic_intensity](#traffic_intensity) | [traffic_intensity](#traffic_intensity) | — | [view](../hierarchies/traffic_intensity.md) |
-| traffic_intensity | Real | A | ✓ | ✓ | [traffic_intensity](#traffic_intensity) | — | — | [view](../hierarchies/traffic_intensity.md) |
-| traffic_load | Real | A | — | ✓ | [traffic_intensity](#traffic_intensity) | [traffic_intensity](#traffic_intensity) | alias to [traffic_carried_intensity](#traffic_carried_intensity) | [view](../hierarchies/traffic_intensity.md) |
-| traffic_offered_intensity | Real | A | — | ✓ | [traffic_intensity](#traffic_intensity) | [traffic_intensity](#traffic_intensity) | — | [view](../hierarchies/traffic_intensity.md) |
-| transfer_rate | Real | T⁻¹ | ✓ | ✓ | [transfer_rate](#transfer_rate) | — | [storage_capacity](#storage_capacity) / [duration](#duration) | [view](../hierarchies/transfer_rate.md) |
-| velocity | Vector | LT⁻¹ | — | — | [speed](#speed) | [speed](#speed) | [displacement](#displacement) / [duration](#duration) | [view](../hierarchies/speed_isq.md) |
-| voltage | Real | L²MI⁻¹T⁻³ | — | — | [electric_potential](#electric_potential) | [electric_potential](#electric_potential) | — | [view](../hierarchies/electric_potential_isq.md) |
-| voltage_phasor | Complex | L²MI⁻¹T⁻³ | — | — | [electric_potential](#electric_potential) | [voltage](#voltage) | — | [view](../hierarchies/electric_potential_isq.md) |
-| volume | Real | L³ | ✓ | ✓ | [volume](#volume) | — | pow<3>([length](#length)) | [view](../hierarchies/volume_isq.md) |
-| volume_electric_charge | Real | ITL⁻³ | ✓ | — | [electric_charge_density](#electric_charge_density) | — | alias to [electric_charge_density](#electric_charge_density) | [view](../hierarchies/electric_charge_density.md) |
-| volume_flow_rate | Real | L³T⁻¹ | ✓ | — | [volume_flow_rate](#volume_flow_rate) | — | [velocity](#velocity) * [area](#area) | [view](../hierarchies/volume_flow_rate.md) |
-| volumic_charge | Real | ITL⁻³ | ✓ | — | [electric_charge_density](#electric_charge_density) | — | alias to [electric_charge_density](#electric_charge_density) | [view](../hierarchies/electric_charge_density.md) |
-| waiting_probability | Real | — | — | ✓ | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
-| wave_impedance_in_vacuum | Complex | L²MI⁻²T⁻³ | — | — | [impedance](#impedance) | [impedance](#impedance) | alias to [impedance_of_vacuum](#impedance_of_vacuum) | [view](../hierarchies/impedance.md) |
-| wave_vector | Vector | L⁻¹ | — | — | [repetency](#repetency) | [repetency](#repetency) | — | [view](../hierarchies/repetency.md) |
-| wavelength | Real | L | — | ✓ | [length](#length) | [length](#length) | — | [view](../hierarchies/length_isq.md) |
-| wavenumber | Real | L⁻¹ | ✓ | ✓ | [repetency](#repetency) | — | alias to [repetency](#repetency) | [view](../hierarchies/repetency.md) |
-| weight | Vector | LMT⁻² | — | — | [force](#force) | [force](#force) | [mass](#mass) * [acceleration_of_free_fall](#acceleration_of_free_fall) | [view](../hierarchies/force_isq.md) |
-| width | Real | L | — | ✓ | [length](#length) | [length](#length) | — | [view](../hierarchies/length_isq.md) |
-| work | Real | L²MT⁻² | — | ✓ | [energy](#energy) | [energy](#energy) | alias to [mechanical_work](#mechanical_work) | [view](../hierarchies/energy_isq.md) |
+| Quantity | Character | Dimension | Traits | Kind of | Parent | Equation | Hierarchy |
+|----------|:---------:|:---------:|:------:|:-------:|:------:|----------|:---------:|
+| Gibbs_energy | scalar | L²MT⁻² | ≥ 0 | [energy](#energy) | [enthalpy](#enthalpy) | — | [view](../hierarchies/energy_isq.md) |
+| Gibbs_function | scalar | L²MT⁻² | ≥ 0 | [energy](#energy) | [enthalpy](#enthalpy) | alias to [Gibbs_energy](#Gibbs_energy) | [view](../hierarchies/energy_isq.md) |
+| Hamming_distance | scalar | — | ≥ 0 | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
+| Helmholtz_energy | scalar | L²MT⁻² | ≥ 0 | [energy](#energy) | [internal_energy](#internal_energy) | — | [view](../hierarchies/energy_isq.md) |
+| Helmholtz_function | scalar | L²MT⁻² | ≥ 0 | [energy](#energy) | [internal_energy](#internal_energy) | alias to [Helmholtz_energy](#Helmholtz_energy) | [view](../hierarchies/energy_isq.md) |
+| Joule_Thomson_coefficient | scalar | LΘT²M⁻¹ | kind | [Joule_Thomson_coefficient](#Joule_Thomson_coefficient) | — | [thermodynamic_temperature](#thermodynamic_temperature) / [pressure](#pressure) | [view](../hierarchies/Joule_Thomson_coefficient.md) |
+| Massieu_function | scalar | L²MΘ⁻¹T⁻² | kind | [Massieu_function](#Massieu_function) | — | [Helmholtz_energy](#Helmholtz_energy) / [thermodynamic_temperature](#thermodynamic_temperature) | [view](../hierarchies/Massieu_function.md) |
+| Planck_function | scalar | L²MΘ⁻¹T⁻² | kind | [Planck_function](#Planck_function) | — | [Gibbs_energy](#Gibbs_energy) / [thermodynamic_temperature](#thermodynamic_temperature) | [view](../hierarchies/Planck_function.md) |
+| Poisson_number | scalar | — | | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [width](#width) / [length](#length) | [view](../hierarchies/dimensionless.md) |
+| Poynting_vector | vector | MT⁻³ | kind | [Poynting_vector](#Poynting_vector) | — | [electric_field_strength](#electric_field_strength) * [magnetic_field_strength](#magnetic_field_strength) | [view](../hierarchies/Poynting_vector.md) |
+| Young_modulus | scalar | ML⁻¹T⁻² | | [pressure](#pressure) | [normal_stress](#normal_stress) | alias to [modulus_of_elasticity](#modulus_of_elasticity) | [view](../hierarchies/pressure_isq.md) |
+| absorbed_dose | scalar | L²T⁻² | kind
≥ 0 | [absorbed_dose](#absorbed_dose) | — | [energy](#energy) / [mass](#mass) | [view](../hierarchies/absorbed_dose_isq.md) |
+| acceleration | vector | LT⁻² | kind | [acceleration](#acceleration) | — | [velocity](#velocity) / [duration](#duration) | [view](../hierarchies/acceleration.md) |
+| acceleration_of_free_fall | vector | LT⁻² | | [acceleration](#acceleration) | [acceleration](#acceleration) | — | [view](../hierarchies/acceleration.md) |
+| action | scalar | L²MT⁻¹ | kind
≥ 0 | [action](#action) | — | [energy](#energy) * [time](#time) | [view](../hierarchies/action.md) |
+| active_energy | scalar | L²MT⁻² | ≥ 0 | [energy](#energy) | [energy](#energy) | [instantaneous_power](#instantaneous_power) * [time](#time) | [view](../hierarchies/energy_isq.md) |
+| active_power | scalar | L²MT⁻³ | ≥ 0 | [power](#power) | [power](#power) | inverse([period](#period)) * ([instantaneous_power](#instantaneous_power) * [time](#time)) | [view](../hierarchies/power_isq.md) |
+| activity | scalar | T⁻¹ | kind
≥ 0 | [activity](#activity) | — | inverse([duration](#duration)) | [view](../hierarchies/activity_isq.md) |
+| admittance | complex scalar | I²T³L⁻²M⁻¹ | kind | [admittance](#admittance) | — | inverse([impedance](#impedance)) | [view](../hierarchies/admittance.md) |
+| admittance_of_vacuum | complex scalar | I²T³L⁻²M⁻¹ | | [admittance](#admittance) | [admittance](#admittance) | inverse([impedance_of_vacuum](#impedance_of_vacuum)) | [view](../hierarchies/admittance.md) |
+| altitude | scalar | L | | [length](#length) | [length](#length) | — | [view](../hierarchies/length_isq.md) |
+| amount_of_heat | scalar | L²MT⁻² | ≥ 0 | [energy](#energy) | [internal_energy](#internal_energy) | alias to [heat](#heat) | [view](../hierarchies/energy_isq.md) |
+| amount_of_substance | scalar | N | kind
≥ 0 | [amount_of_substance](#amount_of_substance) | — | — | [view](../hierarchies/amount_of_substance_isq.md) |
+| angular_acceleration | vector | T⁻² | kind | [angular_acceleration](#angular_acceleration) | — | [angular_velocity](#angular_velocity) / [duration](#duration) | [view](../hierarchies/angular_acceleration_isq.md) |
+| angular_displacement | scalar | — | | [angular_measure](#angular_measure) | [angular_measure](#angular_measure) | alias to [rotational_displacement](#rotational_displacement) | [view](../hierarchies/dimensionless.md) |
+| angular_frequency | scalar | T⁻¹ | kind | [angular_frequency](#angular_frequency) | — | [phase_angle](#phase_angle) / [duration](#duration) | [view](../hierarchies/angular_frequency_isq.md) |
+| angular_impulse | vector | L²MT⁻¹ | | [angular_momentum](#angular_momentum) | [angular_momentum](#angular_momentum) | [moment_of_force](#moment_of_force) * [time](#time) | [view](../hierarchies/angular_momentum_isq.md) |
+| angular_measure | scalar | — | kind | [angular_measure](#angular_measure) | [dimensionless](core.md#dimensionless) | [arc_length](#arc_length) / [radius](#radius) | [view](../hierarchies/dimensionless.md) |
+| angular_momentum | vector | L²MT⁻¹ | kind | [angular_momentum](#angular_momentum) | — | [position_vector](#position_vector) * [momentum](#momentum) | [view](../hierarchies/angular_momentum_isq.md) |
+| angular_repetency | scalar | L⁻¹ | kind
≥ 0 | [angular_repetency](#angular_repetency) | — | inverse([wavelength](#wavelength)) | [view](../hierarchies/angular_repetency_isq.md) |
+| angular_velocity | vector | T⁻¹ | kind | [angular_velocity](#angular_velocity) | — | [angular_displacement](#angular_displacement) / [duration](#duration) | [view](../hierarchies/angular_velocity_isq.md) |
+| angular_wavenumber | scalar | L⁻¹ | kind
≥ 0 | [angular_repetency](#angular_repetency) | — | alias to [angular_repetency](#angular_repetency) | [view](../hierarchies/angular_repetency_isq.md) |
+| apparent_admittance | scalar | I²T³L⁻²M⁻¹ | | [admittance](#admittance) | [admittance](#admittance) | — | [view](../hierarchies/admittance.md) |
+| apparent_impedance | scalar | L²MI⁻²T⁻³ | | [impedance](#impedance) | [impedance](#impedance) | — | [view](../hierarchies/impedance.md) |
+| apparent_power | scalar | L²MT⁻³ | | [complex_power](#complex_power) | [complex_power](#complex_power) | — | [view](../hierarchies/complex_power.md) |
+| arc_length | scalar | L | ≥ 0 | [length](#length) | [length](#length) | alias to [path_length](#path_length) | [view](../hierarchies/length_isq.md) |
+| area | scalar | L² | kind
≥ 0 | [area](#area) | — | pow<2>([length](#length)) | [view](../hierarchies/area_isq.md) |
+| areic_charge | scalar | ITL⁻² | kind | [surface_density_of_electric_charge](#surface_density_of_electric_charge) | — | alias to [surface_density_of_electric_charge](#surface_density_of_electric_charge) | [view](../hierarchies/surface_density_of_electric_charge.md) |
+| areic_electric_charge | scalar | ITL⁻² | kind | [surface_density_of_electric_charge](#surface_density_of_electric_charge) | — | alias to [surface_density_of_electric_charge](#surface_density_of_electric_charge) | [view](../hierarchies/surface_density_of_electric_charge.md) |
+| attenuation | scalar | L⁻¹ | kind
≥ 0 | [attenuation](#attenuation) | — | inverse([distance](#distance)) | [view](../hierarchies/attenuation.md) |
+| binary_digit_rate | scalar | T⁻¹ | ≥ 0 | [transfer_rate](#transfer_rate) | [transfer_rate](#transfer_rate) | — | [view](../hierarchies/transfer_rate.md) |
+| bit_period | scalar | T | ≥ 0 | [duration](#duration) | [period_duration](#period_duration) | alias to [period_of_binary_digits](#period_of_binary_digits) | [view](../hierarchies/duration_isq.md) |
+| bit_rate | scalar | T⁻¹ | ≥ 0 | [transfer_rate](#transfer_rate) | [transfer_rate](#transfer_rate) | alias to [binary_digit_rate](#binary_digit_rate) | [view](../hierarchies/transfer_rate.md) |
+| breadth | scalar | L | ≥ 0 | [length](#length) | [length](#length) | alias to [width](#width) | [view](../hierarchies/length_isq.md) |
+| bulk_modulus | scalar | ML⁻¹T⁻² | | [pressure](#pressure) | [pressure](#pressure) | alias to [modulus_of_compression](#modulus_of_compression) | [view](../hierarchies/pressure_isq.md) |
+| call_intensity | scalar | T⁻¹ | kind
≥ 0 | [call_intensity](#call_intensity) | — | inverse([duration](#duration)) | [view](../hierarchies/call_intensity.md) |
+| calling_rate | scalar | T⁻¹ | kind
≥ 0 | [call_intensity](#call_intensity) | — | alias to [call_intensity](#call_intensity) | [view](../hierarchies/call_intensity.md) |
+| capacitance | scalar | I²T⁴L⁻²M⁻¹ | kind
≥ 0 | [capacitance](#capacitance) | — | [electric_current](#electric_current) * [time](#time) / [electric_potential](#electric_potential) | [view](../hierarchies/capacitance.md) |
+| carrier_power | scalar | L²MT⁻³ | ≥ 0 | [power](#power) | [power](#power) | — | [view](../hierarchies/power_isq.md) |
+| catalytic_activity | scalar | NT⁻¹ | kind
≥ 0 | [catalytic_activity](#catalytic_activity) | — | [amount_of_substance](#amount_of_substance) / [time](#time) | [view](../hierarchies/catalytic_activity.md) |
+| clock_frequency | scalar | T⁻¹ | ≥ 0 | [frequency](#frequency) | [frequency](#frequency) | — | [view](../hierarchies/frequency_isq.md) |
+| clock_rate | scalar | T⁻¹ | ≥ 0 | [frequency](#frequency) | [frequency](#frequency) | alias to [clock_frequency](#clock_frequency) | [view](../hierarchies/frequency_isq.md) |
+| coefficient_of_heat_transfer | scalar | MΘ⁻¹T⁻³ | kind
≥ 0 | [coefficient_of_heat_transfer](#coefficient_of_heat_transfer) | — | [density_of_heat_flow_rate](#density_of_heat_flow_rate) / [thermodynamic_temperature](#thermodynamic_temperature) | [view](../hierarchies/coefficient_of_heat_transfer.md) |
+| coefficient_of_static_friction | scalar | — | ≥ 0 | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | alias to [static_friction_coefficient](#static_friction_coefficient) | [view](../hierarchies/dimensionless.md) |
+| coefficient_of_thermal_insulance | scalar | ΘT³M⁻¹ | kind
≥ 0 | [thermal_insulance](#thermal_insulance) | — | alias to [thermal_insulance](#thermal_insulance) | [view](../hierarchies/thermal_insulance.md) |
+| coercive_field_strength | scalar | IL⁻¹ | | [magnetization](#magnetization) | [magnetic_field_strength](#magnetic_field_strength) | alias to [coercivity](#coercivity) | [view](../hierarchies/magnetization.md) |
+| coercivity | scalar | IL⁻¹ | | [magnetization](#magnetization) | [magnetic_field_strength](#magnetic_field_strength) | — | [view](../hierarchies/magnetization.md) |
+| completed_call_intensity | scalar | T⁻¹ | ≥ 0 | [call_intensity](#call_intensity) | [call_intensity](#call_intensity) | — | [view](../hierarchies/call_intensity.md) |
+| complex_admittance | complex scalar | I²T³L⁻²M⁻¹ | kind | [admittance](#admittance) | — | alias to [admittance](#admittance) | [view](../hierarchies/admittance.md) |
+| complex_impedance | complex scalar | L²MI⁻²T⁻³ | kind | [impedance](#impedance) | — | alias to [impedance](#impedance) | [view](../hierarchies/impedance.md) |
+| complex_power | complex scalar | L²MT⁻³ | kind | [complex_power](#complex_power) | — | [voltage_phasor](#voltage_phasor) * [electric_current_phasor](#electric_current_phasor) | [view](../hierarchies/complex_power.md) |
+| compressibility | scalar | LT²M⁻¹ | kind | [compressibility](#compressibility) | — | inverse([volume](#volume)) * ([volume](#volume) / [pressure](#pressure)) | [view](../hierarchies/compressibility.md) |
+| conductance | scalar | I²T³L⁻²M⁻¹ | | [admittance](#admittance) | [admittance](#admittance) | inverse([resistance](#resistance)) | [view](../hierarchies/admittance.md) |
+| conductance_for_alternating_current | scalar | I²T³L⁻²M⁻¹ | | [admittance](#admittance) | [conductance](#conductance) | — | [view](../hierarchies/admittance.md) |
+| conductivity | scalar | I²T³L⁻³M⁻¹ | kind | [conductivity](#conductivity) | — | [electric_current_density](#electric_current_density) / [electric_field_strength](#electric_field_strength) | [view](../hierarchies/conductivity.md) |
+| coupling_factor | scalar | — | ≥ 0 | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [mutual_inductance](#mutual_inductance) / pow<1, 2>(pow<2>([self_inductance](#self_inductance))) | [view](../hierarchies/dimensionless.md) |
+| cubic_expansion_coefficient | scalar | Θ⁻¹ | kind | [cubic_expansion_coefficient](#cubic_expansion_coefficient) | — | inverse([volume](#volume)) * ([volume](#volume) / [thermodynamic_temperature](#thermodynamic_temperature)) | [view](../hierarchies/cubic_expansion_coefficient.md) |
+| curvature | scalar | L⁻¹ | kind
≥ 0 | [curvature](#curvature) | — | inverse([radius_of_curvature](#radius_of_curvature)) | [view](../hierarchies/curvature.md) |
+| damping_coefficient | scalar | T⁻¹ | kind
≥ 0 | [damping_coefficient](#damping_coefficient) | — | inverse([time_constant](#time_constant)) | [view](../hierarchies/damping_coefficient.md) |
+| decision_content | scalar | — | ≥ 0 | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
+| density | scalar | ML⁻³ | kind
≥ 0 | [mass_density](#mass_density) | — | alias to [mass_density](#mass_density) | [view](../hierarchies/mass_density.md) |
+| density_of_heat_flow_rate | scalar | MT⁻³ | kind
≥ 0 | [density_of_heat_flow_rate](#density_of_heat_flow_rate) | — | [heat_flow_rate](#heat_flow_rate) / [area](#area) | [view](../hierarchies/density_of_heat_flow_rate.md) |
+| dew_point_temperature | scalar | Θ | ≥ 0 | [thermodynamic_temperature](#thermodynamic_temperature) | [thermodynamic_temperature](#thermodynamic_temperature) | — | [view](../hierarchies/thermodynamic_temperature.md) |
+| diameter | scalar | L | ≥ 0 | [length](#length) | [width](#width) | — | [view](../hierarchies/length_isq.md) |
+| dimensionless | scalar | 1 | kind | [dimensionless](core.md#dimensionless) | — | — | — |
+| displacement | vector | L | | [length](#length) | [length](#length) | — | [view](../hierarchies/length_isq.md) |
+| displacement_current | scalar | I | | [electric_current](#electric_current) | [electric_current](#electric_current) | [displacement_current_density](#displacement_current_density) * [area](#area) | [view](../hierarchies/electric_current_isq.md) |
+| displacement_current_density | vector | IL⁻² | | [electric_current_density](#electric_current_density) | [electric_current_density](#electric_current_density) | [electric_flux_density](#electric_flux_density) / [time](#time) | [view](../hierarchies/electric_current_density.md) |
+| distance | scalar | L | ≥ 0 | [length](#length) | [path_length](#path_length) | — | [view](../hierarchies/length_isq.md) |
+| dose_equivalent | scalar | L²T⁻² | kind
≥ 0 | [dose_equivalent](#dose_equivalent) | — | [absorbed_dose](#absorbed_dose) * [ionizing_radiation_quality_factor](#ionizing_radiation_quality_factor) | [view](../hierarchies/dose_equivalent.md) |
+| drag_coefficient | scalar | — | ≥ 0 | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [drag_force](#drag_force) / ([mass_density](#mass_density) * pow<2>([speed](#speed)) * [area](#area)) | [view](../hierarchies/dimensionless.md) |
+| drag_factor | scalar | — | ≥ 0 | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | alias to [drag_coefficient](#drag_coefficient) | [view](../hierarchies/dimensionless.md) |
+| drag_force | vector | LMT⁻² | | [force](#force) | [force](#force) | — | [view](../hierarchies/force_isq.md) |
+| duration | scalar | T | kind
≥ 0 | [duration](#duration) | — | — | [view](../hierarchies/duration_isq.md) |
+| dynamic_friction_factor | scalar | — | ≥ 0 | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | alias to [kinetic_friction_factor](#kinetic_friction_factor) | [view](../hierarchies/dimensionless.md) |
+| dynamic_friction_force | vector | LMT⁻² | | [force](#force) | [force](#force) | alias to [kinetic_friction_force](#kinetic_friction_force) | [view](../hierarchies/force_isq.md) |
+| dynamic_viscosity | scalar | ML⁻¹T⁻¹ | kind | [dynamic_viscosity](#dynamic_viscosity) | — | [shear_stress](#shear_stress) * [length](#length) / [velocity](#velocity) | [view](../hierarchies/dynamic_viscosity.md) |
+| electric_charge | scalar | IT | kind | [electric_charge](#electric_charge) | — | [electric_current](#electric_current) * [time](#time) | [view](../hierarchies/electric_charge_isq.md) |
+| electric_charge_density | scalar | ITL⁻³ | kind | [electric_charge_density](#electric_charge_density) | — | [electric_charge](#electric_charge) / [volume](#volume) | [view](../hierarchies/electric_charge_density.md) |
+| electric_constant | scalar | I²T⁴L⁻³M⁻¹ | kind | [electric_constant](#electric_constant) | — | inverse([magnetic_constant](#magnetic_constant) * pow<2>([speed_of_light_in_vacuum](#speed_of_light_in_vacuum))) | [view](../hierarchies/electric_constant.md) |
+| electric_current | scalar | I | kind | [electric_current](#electric_current) | — | — | [view](../hierarchies/electric_current_isq.md) |
+| electric_current_density | vector | IL⁻² | kind | [electric_current_density](#electric_current_density) | — | [electric_charge_density](#electric_charge_density) * [velocity](#velocity) | [view](../hierarchies/electric_current_density.md) |
+| electric_current_phasor | complex scalar | I | | [electric_current](#electric_current) | [electric_current](#electric_current) | — | [view](../hierarchies/electric_current_isq.md) |
+| electric_dipole_moment | vector | ILT | kind | [electric_dipole_moment](#electric_dipole_moment) | — | [electric_charge](#electric_charge) * [displacement](#displacement) | [view](../hierarchies/electric_dipole_moment.md) |
+| electric_displacement | vector | ITL⁻² | | [electric_polarization](#electric_polarization) | [electric_polarization](#electric_polarization) | alias to [electric_flux_density](#electric_flux_density) | [view](../hierarchies/electric_polarization.md) |
+| electric_field_strength | vector | LMI⁻¹T⁻³ | kind | [electric_field_strength](#electric_field_strength) | — | [force](#force) / [electric_charge](#electric_charge) | [view](../hierarchies/electric_field_strength.md) |
+| electric_flux | scalar | IT | kind | [electric_flux](#electric_flux) | — | [electric_flux_density](#electric_flux_density) * [area](#area) | [view](../hierarchies/electric_flux.md) |
+| electric_flux_density | vector | ITL⁻² | | [electric_polarization](#electric_polarization) | [electric_polarization](#electric_polarization) | — | [view](../hierarchies/electric_polarization.md) |
+| electric_polarization | vector | ITL⁻² | kind | [electric_polarization](#electric_polarization) | — | [electric_dipole_moment](#electric_dipole_moment) / [volume](#volume) | [view](../hierarchies/electric_polarization.md) |
+| electric_potential | scalar | L²MI⁻¹T⁻³ | kind | [electric_potential](#electric_potential) | — | [energy](#energy) / ([electric_current](#electric_current) * [time](#time)) | [view](../hierarchies/electric_potential_isq.md) |
+| electric_potential_difference | scalar | L²MI⁻¹T⁻³ | | [electric_potential](#electric_potential) | [electric_potential](#electric_potential) | — | [view](../hierarchies/electric_potential_isq.md) |
+| electric_susceptibility | scalar | — | | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [electric_polarization](#electric_polarization) / [electric_constant](#electric_constant) / [electric_field_strength](#electric_field_strength) | [view](../hierarchies/dimensionless.md) |
+| electric_tension | scalar | L²MI⁻¹T⁻³ | | [electric_potential](#electric_potential) | [electric_potential](#electric_potential) | alias to [voltage](#voltage) | [view](../hierarchies/electric_potential_isq.md) |
+| electric_tension_phasor | complex scalar | L²MI⁻¹T⁻³ | | [electric_potential](#electric_potential) | [voltage](#voltage) | alias to [voltage_phasor](#voltage_phasor) | [view](../hierarchies/electric_potential_isq.md) |
+| electromagnetic_energy_density | scalar | ML⁻¹T⁻² | kind | [electromagnetic_energy_density](#electromagnetic_energy_density) | — | [electric_field_strength](#electric_field_strength) * [electric_flux_density](#electric_flux_density) | [view](../hierarchies/electromagnetic_energy_density.md) |
+| electromagnetism_power | scalar | L²MT⁻³ | ≥ 0 | [power](#power) | [power](#power) | [voltage](#voltage) * [electric_current](#electric_current) | [view](../hierarchies/power_isq.md) |
+| elementary_charge | scalar | IT | | [electric_charge](#electric_charge) | [electric_charge](#electric_charge) | — | [view](../hierarchies/electric_charge_isq.md) |
+| energy | scalar | L²MT⁻² | kind
≥ 0 | [energy](#energy) | — | [mass](#mass) * pow<2>([length](#length)) / pow<2>([time](#time)) | [view](../hierarchies/energy_isq.md) |
+| enthalpy | scalar | L²MT⁻² | ≥ 0 | [energy](#energy) | [internal_energy](#internal_energy) | — | [view](../hierarchies/energy_isq.md) |
+| entropy | scalar | L²MΘ⁻¹T⁻² | kind
≥ 0 | [entropy](#entropy) | — | [kinetic_energy](#kinetic_energy) / [thermodynamic_temperature](#thermodynamic_temperature) | [view](../hierarchies/entropy.md) |
+| equivalent_binary_digit_rate | scalar | T⁻¹ | ≥ 0 | [transfer_rate](#transfer_rate) | [binary_digit_rate](#binary_digit_rate) | — | [view](../hierarchies/transfer_rate.md) |
+| equivalent_binary_storage_capacity | scalar | — | ≥ 0 | [storage_capacity](#storage_capacity) | [storage_capacity](#storage_capacity) | — | [view](../hierarchies/dimensionless.md) |
+| equivalent_bit_rate | scalar | — | | — | — | alias to [bit_rate](#bit_rate) | — |
+| error_probability | scalar | — | ≥ 0 | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
+| extinction | scalar | L⁻¹ | kind
≥ 0 | [attenuation](#attenuation) | — | alias to [attenuation](#attenuation) | [view](../hierarchies/attenuation.md) |
+| force | vector | LMT⁻² | kind | [force](#force) | — | [mass](#mass) * [length](#length) / pow<2>([time](#time)) | [view](../hierarchies/force_isq.md) |
+| frequency | scalar | T⁻¹ | kind
≥ 0 | [frequency](#frequency) | — | inverse([period_duration](#period_duration)) | [view](../hierarchies/frequency_isq.md) |
+| gauge_pressure | scalar | ML⁻¹T⁻² | | [pressure](#pressure) | [pressure](#pressure) | — | [view](../hierarchies/pressure_isq.md) |
+| group_speed | scalar | LT⁻¹ | kind | [group_speed](#group_speed) | — | [angular_frequency](#angular_frequency) / [angular_repetency](#angular_repetency) | [view](../hierarchies/group_speed.md) |
+| heat | scalar | L²MT⁻² | ≥ 0 | [energy](#energy) | [internal_energy](#internal_energy) | — | [view](../hierarchies/energy_isq.md) |
+| heat_capacity | scalar | L²MΘ⁻¹T⁻² | kind
≥ 0 | [heat_capacity](#heat_capacity) | — | [heat](#heat) / [thermodynamic_temperature](#thermodynamic_temperature) | [view](../hierarchies/heat_capacity.md) |
+| heat_flow_rate | scalar | L²MT⁻³ | kind
≥ 0 | [heat_flow_rate](#heat_flow_rate) | — | [heat](#heat) / [time](#time) | [view](../hierarchies/heat_flow_rate.md) |
+| height | scalar | L | ≥ 0 | [length](#length) | [altitude](#altitude) | — | [view](../hierarchies/length_isq.md) |
+| illuminance | scalar | JL⁻² | kind
≥ 0 | [illuminance](#illuminance) | — | [luminous_flux](#luminous_flux) / [area](#area) | [view](../hierarchies/illuminance_isq.md) |
+| impedance | complex scalar | L²MI⁻²T⁻³ | kind | [impedance](#impedance) | — | [electric_potential](#electric_potential) / [electric_current](#electric_current) | [view](../hierarchies/impedance.md) |
+| impedance_of_vacuum | complex scalar | L²MI⁻²T⁻³ | | [impedance](#impedance) | [impedance](#impedance) | — | [view](../hierarchies/impedance.md) |
+| impulse | vector | LMT⁻¹ | | [momentum](#momentum) | [momentum](#momentum) | [force](#force) * [time](#time) | [view](../hierarchies/momentum_isq.md) |
+| induced_voltage | scalar | L²MI⁻¹T⁻³ | | [electric_potential](#electric_potential) | [voltage](#voltage) | — | [view](../hierarchies/electric_potential_isq.md) |
+| inductance | scalar | L²MI⁻²T⁻² | kind | [inductance](#inductance) | — | [protoflux](#protoflux) / [electric_current](#electric_current) | [view](../hierarchies/inductance_isq.md) |
+| instantaneous_power | scalar | L²MT⁻³ | ≥ 0 | [power](#power) | [power](#power) | alias to [electromagnetism_power](#electromagnetism_power) | [view](../hierarchies/power_isq.md) |
+| internal_energy | scalar | L²MT⁻² | ≥ 0 | [energy](#energy) | [energy](#energy) | — | [view](../hierarchies/energy_isq.md) |
+| ionizing_radiation_quality_factor | scalar | — | ≥ 0 | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | — | [view](../hierarchies/dimensionless.md) |
+| irradiance | scalar | MT⁻³ | kind
≥ 0 | [irradiance](#irradiance) | — | [radiant_flux](#radiant_flux) / [area](#area) | [view](../hierarchies/irradiance.md) |
+| isentropic_compressibility | scalar | LT²M⁻¹ | kind | [isentropic_compressibility](#isentropic_compressibility) | [compressibility](#compressibility) | inverse([volume](#volume)) * ([volume](#volume) / [pressure](#pressure)) | [view](../hierarchies/compressibility.md) |
+| isentropic_expansion_factor | scalar | — | | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | alias to [isentropic_exponent](#isentropic_exponent) | [view](../hierarchies/dimensionless.md) |
+| isentropic_exponent | scalar | — | | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [volume](#volume) / [pressure](#pressure) * ([pressure](#pressure) / [volume](#volume)) | [view](../hierarchies/dimensionless.md) |
+| isothermal_compressibility | scalar | LT²M⁻¹ | kind | [isothermal_compressibility](#isothermal_compressibility) | [compressibility](#compressibility) | inverse([volume](#volume)) * ([volume](#volume) / [pressure](#pressure)) | [view](../hierarchies/compressibility.md) |
+| kinematic_viscosity | scalar | L²T⁻¹ | kind | [kinematic_viscosity](#kinematic_viscosity) | — | [dynamic_viscosity](#dynamic_viscosity) / [mass_density](#mass_density) | [view](../hierarchies/kinematic_viscosity.md) |
+| kinetic_energy | scalar | L²MT⁻² | ≥ 0 | [energy](#energy) | [mechanical_energy](#mechanical_energy) | [mass](#mass) * pow<2>([speed](#speed)) | [view](../hierarchies/energy_isq.md) |
+| kinetic_friction_factor | scalar | — | ≥ 0 | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | [kinetic_friction_force](#kinetic_friction_force) / [force](#force) | [view](../hierarchies/dimensionless.md) |
+| kinetic_friction_force | vector | LMT⁻² | | [force](#force) | [force](#force) | — | [view](../hierarchies/force_isq.md) |
+| latent_heat | scalar | L²MT⁻² | ≥ 0 | [energy](#energy) | [heat](#heat) | — | [view](../hierarchies/energy_isq.md) |
+| leakage_factor | scalar | — | ≥ 0 | [dimensionless](core.md#dimensionless) | [dimensionless](core.md#dimensionless) | pow<2>([coupling_factor](#coupling_factor)) | [view](../hierarchies/dimensionless.md) |
+| length | scalar | L | kind
≥ 0 | [length](#length) | — | — | [view](../hierarchies/length_isq.md) |
+| light_speed_in_vacuum | scalar | LT⁻¹ | ≥ 0 | [speed](#speed) | [speed](#speed) | alias to [speed_of_light_in_vacuum](#speed_of_light_in_vacuum) | [view](../hierarchies/speed_isq.md) |
+| line_digit_rate | scalar | T⁻¹ | kind
≥ 0 | [modulation_rate](#modulation_rate) | — | alias to [modulation_rate](#modulation_rate) | [view](../hierarchies/modulation_rate.md) |
+| linear_density | scalar | ML⁻¹ | kind
≥ 0 | [linear_mass_density](#linear_mass_density) | — | alias to [linear_mass_density](#linear_mass_density) | [view](../hierarchies/linear_mass_density.md) |
+| linear_density_of_electric_charge | scalar | ITL⁻¹ | kind | [linear_density_of_electric_charge](#linear_density_of_electric_charge) | — | [electric_charge](#electric_charge) / [length](#length) | [view](../hierarchies/linear_density_of_electric_charge.md) |
+| linear_electric_current_density | vector | IL⁻¹ | kind | [linear_electric_current_density](#linear_electric_current_density) | — | [surface_density_of_electric_charge](#surface_density_of_electric_charge) *