SI system
Noun
Meaning
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)
Source: WordNetSynonyms
SI unit
si
International System of Units
international system
systeme international
systeme international d'unites
Hypernyms
Examples
Today the United States is the only country in the world not totally committed to the Systeme International d'Unites