Micrometre

//ˈmaɪkɹəˌmiːtə(ɹ)// noun

Definitions

Noun
  1. 1
    An SI and mks unit of measure, the length of one-millionth of a metre. Symbol: μm, um, μ.

    "Holonyms: millimetre < centimetre < decimetre < metre < kilometre < megametre < gigametre < terametre < petametre"

  2. 2
    a metric unit of length equal to one millionth of a meter wordnet

Etymology

From micro- + metre.

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