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International System of Units

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noun
  1. an internationally accepted coherent system of physical units, derived from the MKSA (meter-kilogram-second-ampere) system, using the meter, kilogram, second, ampere, kelvin, mole, and candela as the basic units (SI units) respectively of the fundamental quantities of length, mass, time, electric current, temperature, amount of substance, and luminous intensity. Abbreviation: SI

Origin of International System of Units

translation of the earlier French name Système Internationale d'Unités
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
international system in Medicine

International System of Units

n.
  1. A complete, coherent system of units used for scientific work, in which the fundamental quantities are length, time, electric current, temperature, mass, luminous intensity, and amount of substance.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

international system in Science

International System

  1. The English name for Système International [d'Unites], a decimal system of units used mainly in scientific work, in which the basic quantities are length, mass, time, electric current, temperature, amount of matter, and luminous intensity. In addition, the International System uses two supplementary units to measure plane angles and solid angles. See Table at measurement.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.