SI unit
noun[C]
sciencespecializeduk/ˌesˈaɪ ˌjuː.nɪt/us/ˌesˈaɪ ˌjuː.nɪt/aunitofmeasurementthat ispartof asystemused forscientificandtechnicalworkall over theworld:
国际标准单位The SIunitoflengthis themetre.长度的国际标准单位是米。
Miscellaneous units of measurement
- acre
- acreage
- caloric
- dioptre
- farad
- fathom
- firkin
- flashpoint
- hectare
- Hz
- joule
- MHz
- molar
- newton
- radian
- refractive index
- Scoville scale
- sievert
- torr
- watt