base unit

A unit of measurement which is not itself defined in terms of other units, and from which other units may be derived.

Noun

  1. A unit of measurement which is not itself defined in terms of other units, and from which other units may be derived.
    • The SI unit of velocity is metres per second, derived from the base units metre and second.

    Synonyms: fundamental unit

  2. The main unit of a computer or hi-fi system.
    • When upgrading her computer she bought a new base unit but kept the screen, keyboard and mouse.

Forms

base units

Antonyms

derived unit