Dictionary.com

International System of Units

Save This Word!

noun
an internationally accepted coherent system of physical units, derived from the MKSA (meter-kilogram-second-ampere) system, using the meter, kilogram, second, ampere, kelvin, mole, and candela as the basic units (SI units ) respectively of the fundamental quantities of length, mass, time, electric current, temperature, amount of substance, and luminous intensity. Abbreviation: SI
QUIZ
QUIZ YOURSELF ON OPPOSITES OF RED BEFORE YOU TURN SCARLET
We have a challenge that will make you blush: do you know the many words and ways to describe the opposite of red?
Question 1 of 7
Which of the following colors is used to symbolize AIR?

Origin of International System of Units

First recorded in 1930–35; translation of the earlier French name Système Internationale d'Unités
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use International System of Units in a sentence

Medical definitions for International System of Units

International System of Units

n.
A complete, coherent system of units used for scientific work, in which the fundamental quantities are length, time, electric current, temperature, mass, luminous intensity, and amount of substance.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
FEEDBACK