Structured Summary
Abstract
A system of physical units in which the fundamental quantities are length, time, mass, electric current, temperature, luminous intensity, and amount of substance, and the corresponding units are the meter, second, kilogram, ampere, kelvin, candela, and mole. The system has been given official status and recommended for universal use by the General Conference on Weights and Measures.
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Classification
Broader headings
Related Concepts
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Synonyms
5 entry terms
- SI Units
- Systeme International d'Unites
- SI Unit
- Unit, SI
- Units, SI
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Aspects Covered
4 allowable subheadings
Indexed with the subheadings classification, history, instrumentation, standards.
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Indexing Annotation
in titles use diacritics: Système International d'Unites; CATALOGER: Use NAF entry
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History Note
91(79); was see under WEIGHTS AND MEASURES 1979-90
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Previous Indexing
- Metric System (1974-1978)
- Weights and Measures (1966-1978)
MeSH Hierarchy
Tree Number
AMA Style
References
- National Library of Medicine. International System of Units. Medical Subject Headings (MeSH). 2026. Unique ID D007394. http://id.nlm.nih.gov/mesh/2026/D007394
- International System of Units. In: Wikipedia. https://en.wikipedia.org/wiki/International_System_of_Units
- International System of Units. In: Wikidata. https://www.wikidata.org/wiki/Q12457