micrometre

English

Etymology

From micro- +‎ metre.

Pronunciation

  • IPA(key): /ˈmaɪkɹəˌmiːtə(ɹ)/

Noun

micrometre (plural micrometres)

  1. An SI and mks unit of measure, the length of one-millionth of a metre. Symbol: μm, um, μ.
    Alternative form: micrometer (US)
    Synonym: micron (deprecated)
    Holonyms: millimetre < centimetre < decimetre < metre < kilometre
    Meronyms: picometre < nanometre

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