International System of Units

noun

Definition of International System of Units

:a system of units based on the metric system and developed and refined by international convention especially for scientific work abbreviation SI

First Known Use of international system of units

1932


Medical Dictionary

International System of Units

noun In·ter·na·tion·al System of Units \ ˌint-ər-ˈnash-nəl-, -ənᵊl- \

medical Definition of International System of Units

:an internationally accepted system of units based on the metric system and having the meter, kilogram, second, ampere, kelvin, mole, and candela as base units, the radian and steradian as supplementary units, and deriving all other units from these abbreviation SI called also International System

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