derived unit

Definition from Wiktionary, the free dictionary
Jump to: navigation, search



derived unit (plural derived units)

  1. (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).
    • thus, the derived unit of electrical resistance (ohm) is derived from length, mass, time, and electric current -
      Ω = m2·kg·s-3·A-2