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docs: "quantity character" definition improved in Glossary
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@ -271,7 +271,7 @@
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convertible to height)
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- common quantity type (i.e. width + height -> length)
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[`quantity character, character of the quantity, character`](#character){ #character }
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[`quantity character, character of a quantity, character`](#character){ #character }
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: - Scalars, vectors and tensors are mathematical objects that can be used to denote
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certain [physical quantities](#quantity) and their [values](#quantity-value).
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@ -283,6 +283,11 @@
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expressed as a product of a number and a [unit](#unit).
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- Vectors and tensors can also be expressed as a numerical value vector or tensor,
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respectively, multiplied by a [unit](#unit).
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- [Quantities](#quantity) of different characters support different set of operations.
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- For example, a [quantity](#quantity) can be multiplied by another one only if any
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of them has scalar character. Vectors and tensors can't be multiplied or divided,
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but they support additional operations like dot and cross products, which
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are not available for scalars.
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- The term ’character’ was borrowed from the below quote:
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!!! quote "ISO 80000-1_2009"
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@ -290,7 +295,6 @@
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In deriving the dimension of a quantity, no account is taken of its scalar,
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vector, or tensor **character**.
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[`quantity specification, quantity_spec`](#quantity_spec){ #quantity_spec }
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: - An entity storing all the information about a specific [quantity](#quantity):
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