SI unit definition, meaning - what is SI unit in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “SI unit”

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SI unit

noun [C] uk   us   /ˌesˈaɪˌjuː.nɪt/ specialized
a 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.
Translations of “SI unit”
in Chinese (Traditional) 國際標準單位…
in Chinese (Simplified) 国际标准单位…
(Definition of SI unit from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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