Micrometre



[mahy-krom-i-ter] /maɪˈkrɒm ɪ tər/

noun
1.
any of various devices for measuring minute distances, angles, etc., as in connection with a telescope or microscope.
2.
Also called mike. micrometer caliper. a precision instrument with a spindle moved by a finely threaded screw, for the measurement of thicknesses and short lengths, commonly used by machinists for turning shafts or boring holes.
/ˈmaɪkrəʊˌmiːtə/
noun
1.
a unit of length equal to 10–6 metre μm Former name micron
/maɪˈkrɒmɪtə/
noun
1.
any of various instruments or devices for the accurate measurement of distances or angles
2.
Also called micrometer gauge, micrometer calliper. a type of gauge for the accurate measurement of small distances, thicknesses, diameters, etc. The gap between its measuring faces is adjusted by a fine screw, the rotation of the screw giving a sensitive measure of the distance moved by the face
n.

1660s, from micro- + -meter. Originally a telescope attachment; from 1884 as a craftsman’s fine measuring tool. Related: Micrometry; micrometric.

micrometer mi·crom·e·ter1 (mī-krŏm’ĭ-tər)
n.
A device for measuring very small distances, objects, or angles, especially one based on the rotation of a finely threaded screw, as in relation to a microscope.

micrometer mi·cro·me·ter2 (mī’krō-mē’tər)
n.

Abbr. μm A unit of length equal to one thousandth (10-3) of a millimeter or one millionth (10-6) of a meter. Also called micron.
micrometer 1
(mī-krŏm’ĭ-tər)
A device for measuring very small distances, angles, or objects, especially one based on the rotation of a finely threaded screw, as in relation to a microscope.
micrometer 2
(mī’krō-mē’tər)
A unit of length in the metric system equal to one millionth (10-6) of a meter. Also called micron.

unit
(Or “micron”) One millionth of a metre. The symbol is a Greek letter mu followed by “m”.
Features on modern integrated circuits are typically measured in microns. The smallest features in 1999 are around 0.1 microns across.
(1999-09-28)

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  • Micrometry

    [mahy-krom-i-tree] /maɪˈkrɒm ɪ tri/ noun 1. the act or process of taking measurements with a micrometer. micrometry mi·crom·e·try (mī-krŏm’ĭ-trē) n. The measurement of minute objects with a micrometer.

  • Micromicro-

    1. . micromicro- pref. Symbol μμ One-trillionth (10-12): micromicrogram.



  • Micromicrofarad

    [mahy-kroh-mahy-kroh-far-uh d, -ad] /ˌmaɪ kroʊˈmaɪ kroʊˌfær əd, -æd/ noun, Electricity. 1. picofarad. Symbol: μμF.

  • Micro-microfarad

    [mahy-kroh-mahy-kroh-far-uh d, -ad] /ˌmaɪ kroʊˈmaɪ kroʊˌfær əd, -æd/ noun, Electricity. 1. picofarad. Symbol: μμF.



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