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English definition of “micrometer”

micrometer

noun [C]     /maɪˈkrɒm.ɪ.tər/ US  /ˈkrɑː.mɪ.t̬ɚ/
a device used for making very exact measurements or for measuring very small thingsWeighing, measuring and counting devices
(Definition of micrometer noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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