Akademik

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)

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Today the United States is the only country in the world not totally committed to the Systeme International d'Unites

SI unit UK [ˌes ˈaɪ ˌjuːnɪt] US [ˌes ˈaɪ ˌjunɪt] noun [countable] [singular SI unit plural SI units] science

Système International unit: a standard scientific unit of measurement in an international system. The main units are the metre, kilogram, second, ampere , kelvin , and mole .

Thesaurus: describing or relating to units of measurement_hyponym to measure something_synonym

SI unit,

any one of the units of measurement in the international meter-kilogram-second system.

╂[SI, abbreviation of French Système International (d'Unités) International System (of Units)]