SI unit

noun

Any unit of the International System of Units.

Similar
Systeme International d'UnitesSysteme InternationalSI systemSIInternational System of UnitsInternational System
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Meanings

nounSI unit (plural SI units)

plural SI units

  1. Any unit of the International System of Units.

Synonyms & antonyms

nouna complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela)

Similar
Systeme International d'UnitesSysteme InternationalSI systemSIInternational System of UnitsInternational System
Broader
metric system
Also see
international systeminternational system of unitssi

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

German SI-Einheit
  • SI-EinheitSI unit
Swedish SI-enhet
  • SI-enhetSI unit
Turkish SI birimi
  • SI birimiSI unit
Cite this entry
APA

SI unit. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/SI%20unit

MLA

“SI unit.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/SI%20unit. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “SI unit,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/SI%20unit.

Source: SI unit on Wiktionary, CC BY-SA 4.0.