SI

Synonym: International system of units
https://doi.org/10.1351/goldbook.S05653
@S06238@, the international system of units established in 1960 and based on seven base units for the quantities: length, time, mass, @E01927@, @T06321@, @A00297@ and @L03647@.
Source:
Green Book, 2nd ed., p. 69 [Terms] [Book]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014