Definition of micrometer noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈmaɪˈkrɒmɪtə(r)//
    ; NAmE NAmE//ˈmaɪkrɑːmɪtər//
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  1. 1 (especially US English) = micrometre
  2. 2a device used for measuring very small distances or spaces, using a screw with a very fine thread
See the Oxford Advanced American Dictionary entry: micrometer

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