derived unit


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Related to derived unit: Fundamental unit, scientific notation, SI units

derived unit

[də′rīvd ′yü·nət]
(physics)
A unit that is formed, in a specified system of measurement, by combining base units and other derived units according to the algebraic relations linking the corresponding quantities.
References in periodicals archive ?
SI coherent derived unit Derived Name Symbol Expressed in Expressed in quantity terms of other terms of SI SI units base units solid angle steradian sr [m.
Throughout this paper, when derived units with special symbols are expressed in terms of their component base-unit symbols, the exponential form of the latter is used and the order s, m, kg, A, K, mol, and cd is followed.
In particular, it retains the seven base units as given in Table 1 and all 22 of the derived units with special names and symbols, some of which are given in Table 2.
As consequence, the International Bureau of Weights and Measures added to Table 3, SI derived units with special names and symbols, of the authoritative book The International System of Units (28) a new line:
Further derived kinds-of-quantity and derived units may be defined in the conventional manners.
SI derived units are defined in terms of base units.
NISTIR 6025 discussed general concepts of fundamental and derived units for IT metrology.
It is also the time to remember that heat, work and energy are expressed in base or derived units of joules J using the SI system.