SI unitnoun [ C ]
uk/ˌesˈaɪ ˌjuː.nɪt/us/ˌesˈaɪ ˌjuː.nɪt/specializeda unit of measurement that is part of a system used for scientific and technical work all over the world:
The SI unit of length is the metre.
Thesaurus: synonyms and related words
Miscellaneous units of measurement
- acre
- becquerel
- caloric
- calorific
- curie
- farad
- flashpoint
- Gy
- hectare
- horsepower
- kHz
- kilohertz
- kilojoule
- lumen
- MHz
- millibar
- molal
- molar
- newton
- watt
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