Meaning of International System of Units

Interna'tional Sys'tem of U'nits

Pronunciation: [key]
  1. an internationally accepted coherent system of physical units, derived from the MKSA system, using the meter, kilogram, second, ampere, kelvin, mole, and candela as the basic unitsof the fundamental quantities length, mass, time, electric current, temperature, amount of substance, and luminous intensity. Abbr.: SI
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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