Meanings
nounbase unit (plural base units)
plural base units
- A unit of measurement which is not itself defined in terms of other units, and from which other units may be derived.
The SI unit of velocity is metres per second, derived from the base units metre and second.
Synonyms: fundamental unit
Synonyms & antonyms
nounA unit of measurement which is not itself defined in terms of other units, and from which other units may be derived.
Similar
measurement
Opposite
Also see
Translations
Finnish perusyksikkö, kone
- perusyksikköa unit of measurement on which others are based
- konethe main unit of a computer or hi-fi system
- soitinthe main unit of a computer or hi-fi system
Greek θεμελιώδης μονάδα
- θεμελιώδης μονάδα (themeliódis monáda)a unit of measurement on which others are based
Hungarian alapegység
- alapegységa unit of measurement on which others are based
Irish bunaonad, bonnaonad
- bunaonada unit of measurement on which others are based
- bonnaonadthe main unit of a computer or hi-fi system
Swedish grundenhet
- grundenheta unit of measurement on which others are based
Cite this entry
APA
base unit. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/base%20unit
MLA
“base unit.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/base%20unit. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “base unit,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/base%20unit.
Source: base unit on Wiktionary, CC BY-SA 4.0.