Noun
(In the SI system of units) Any unit derived from one of the seven base units of length (meter), mass (kilogram), time (second), electric current (ampere), thermodynamic temperature (kelvin), amount of substance (mole) and luminous intensity (candela).
The derived unit of electrical resistance (ohm) is derived from length, mass, time, and electric current.
Equivalently, in any coherent unit system, a unit derived from one or more base units.
Source: en.wiktionary.orgThe International System of Units (SI) recognizes pressure as a derived unit with the dimension of force per area and designates the pascal (Pa) as its standard unit. Source: Internet
The SI unit of weight is the same as that of force: the newton (N) – a derived unit which can also be expressed in SI base units as kg·m/s 2 (kilograms times meters per second squared). Source: Internet