MeSH Browser

MeSH Heading: International System of Units
Tree Number(s): E05.978.507
Unique ID: D007394
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D007394
Annotation: in titles use diacritics: Système International d'Unites; CATALOGER: Use NAF entry
Scope Note: 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.
Entry Term(s): SI Units; Systeme International d'Unites
Previous Indexing: Metric System (1974-1978); Weights and Measures (1966-1978)
Public MeSH Note: 91; was see under WEIGHTS AND MEASURES 1979-90
History Note: 91(79); was see under WEIGHTS AND MEASURES 1979-90
Date Established: 1991/01/01
Date of Entry: 2024/11/05
Revision Date: 2024/11/05

Allowable Qualifiers: classification (CL)

history (HI)

instrumentation (IS)

standards (ST)

Concept UI: M0011530
Scope Note: 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.
Terms: International System of Units Preferred Term
Term UI T022179
Date01/01/1999
LexicalTag NON
ThesaurusID NLM (1979); SI Units
Term UI T022181
Date09/04/1990
LexicalTag ACX
ThesaurusID NLM (1992); Systeme International d'Unites
Term UI T022180
Date10/10/1990
LexicalTag NON
ThesaurusID NLM (1992)

International System of Units MeSH Descriptor Data 2025