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Noun: micron  'mI,krón
  1. A metric unit of length equal to one millionth of a meter
    "The particle size was measured in microns";
    - micrometer[2] [US], micrometre [Brit, Cdn]

Derived forms: microns

Type of: metric linear unit

Part of: millimeter [US], millimetre [Brit, Cdn], mm

Encyclopedia: Micron