kan­sain­vä­li­nen ­mit­tayk­sik­kö­jär­jes­tel­mä

1. a complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela); "Today the United States is the only country in the world not totally committed to the Systeme International d'Unites"

Synonyymit

Hierarkia