micrometer

Noun
  1. A metric unit of length equal to one millionth of a meter (synset 113680266)
    is a type of: metric linear unit - a linear unit of distance in metric terms
    has: micromillimeter, micromillimetre, millimicron, nanometer, nanometre, nm - a metric unit of length equal to one billionth of a meter
    is a part of: millimeter, millimetre, mm - a metric unit of length equal to one thousandth of a meter
    same as: micron
  2. Caliper for measuring small distances (synset 103765190)
    is a type of: caliper, calliper - an instrument for measuring the distance between two points (often used in the plural)
    same as: micrometer caliper, micrometer gauge

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