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Definition of: micrometer
Our photo definition of micrometer 
(mī·krom′ə·tər) noun
1. An instrument for measuring very small distances or dimensions.
2. A caliper or gage arranged to allow of minute measurements. [<MICRO- + METER]
—mi·cro·met·ri·cal (mī′krə·met′ri·kəl), mi′·cro·met′ric adjective
—mi′cro·met′ri·cal·ly adverb
—mi·crom′e·try noun
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