Definitions
There is 1 meaning of the phrase
Si Unit.
Si Unit - as a noun
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)
Example: "Today the united states is the only country in the world not totally committed to the systeme international d'unites"
Synonyms (Exact Relations)
international systeminternational system of unitssisi systemsysteme internationalsysteme international d'unites
