Definitions
There is 1 meaning of the phrase
Si System.
Si System - 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)
