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meter-kilogram-second

American  
[mee-ter-kil-uh-gram-sek-uhnd] / ˈmi tərˈkɪl əˌgræmˈsɛk ənd /

adjective

  1. of or relating to the system of units in which the meter, kilogram, and second are the principal units of length, mass, and time. mks, MKS

Etymology

Origin of meter-kilogram-second

First recorded in 1935–40

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.