SI system

/ˈɛs ˌaɪ/
IPA guide

Definitions of SI system
  1. 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)
    synonyms: International System, International System of Units, SI, SI unit, Systeme International, Systeme International d'Unites
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    type of:
    metric system
    a decimal system of weights and measures based on the meter and the kilogram and the second
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