Dictionary > Si unit

Si unit

SI unit
(Science: chemistry, physics) An international system of units of measurement in which the fundamental units are standardised.
Examples include: metre, kilometre, ampere, gray, joule, sievert, becquerel.
Origin: Fr. Le Systeme International d’Unites
A unit of measurement using a particular scale, e.g. centimetres, kilograms.

You will also like...