derived quantity


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derived quantity

any secondary quantity, such as volume, derived from a combination of base quantities, such as mass, length, and time.
References in periodicals archive ?
An example is the joule J, the coherent derived SI unit for the derived quantity energy: "joule" is the special name for the "kilogram meter squared per second squared" and "J" is the special symbol for "[s.
A small number of base quantities that are assumed to be independent are chosen from the system of quantities such that any other quantity of the system, called a derived quantity, can be expressed as a function of the base quantities.