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micrometer

1

[ mahy-krom-i-ter ]

noun

  1. any of various devices for measuring minute distances, angles, etc., as in connection with a telescope or microscope.
  2. Also called mike.. 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.


micrometer

2

[ mahy-kroh-mee-ter ]

micrometer

/ maɪˈkrɒmɪtə; ˌmaɪkrəʊˈmɛtrɪk /

noun

  1. any of various instruments or devices for the accurate measurement of distances or angles
  2. Also calledmicrometer gaugemicrometer 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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

micrometer

1

/ krō-mē′tər /

  1. A unit of length in the metric system equal to one millionth (10 -6) of a meter.
  2. Also called micron

micrometer

2

/ mī-krŏmĭ-tər /

  1. 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.
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Derived Forms

  • micrometric, adjective
  • miˈcrometry, noun
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Word History and Origins

Origin of micrometer1

First recorded in 1660–70; micro- + -meter
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Example Sentences

They obtained data of PM concentrations that were 10 micrometers or less and 2.5 micrometers or less in diameter.

However, they tend to be too small -- just a few tens of micrometers across-for industrial-scale applications and, thus, better suited for lab research.

By mounting an acoustic vortex emitter onto a robotic platform, the acoustic vortex beam can be moved at the micrometer scale.

These micro-pyramids measure about ten micrometers, which is about one-tenth the diameter of a hair.

And the finished products -- the individual robots -- measured 2.8 micrometers in diameter.

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micrometeorologymicromethod