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micrometer

8 ENTRIES FOUND:

1mi·crom·e·ter

noun \mī-ˈkrä-mə-tər\

Definition of MICROMETER

1
: an instrument used with a telescope or microscope for measuring minute distances
2
: a caliper for making precise measurements that has a spindle moved by a finely threaded screw

Illustration of MICROMETER

Origin of MICROMETER

French micromètre, from micr- + -mètre -meter
First Known Use: 1670

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