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micrometer

micrometer (mīkrŏm´ətər, mī´krōmē´tər). 1 Instrument used for measuring extremely small distances. Typical examples are devices used in astronomical telescopes to measure the apparent diameter of celestial objects and similar devices used in microscopes. In both of these devices a fine hair or filament is moved from one extremity to the other of the image of an object and the distance read on a calibrated scale. Another typical micrometer is the micrometer caliper, a device in which an object to be measured is enclosed between two jaws, one fixed and the other movable by means of a fine screw. When the jaws are just touching the object, the distance between the jaws can be read on an associated scale, often to an accuracy of 10-4 (one ten-thousandth) in., or 10-6 (one millionth) m. 2 Unit of linear distance equal to 10-6 (one millionth) m. It was formerly known as a micron.

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"micrometer." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 21 Aug. 2017 <http://www.encyclopedia.com>.

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"micrometer." The Columbia Encyclopedia, 6th ed.. . Retrieved August 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/micrometer

micrometer

mi·crom·e·ter1 / mīˈkrämətər/ (also micrometer caliper) • n. a gauge that measures small distances or thicknesses between its two faces, one of which can be moved away from or toward the other by turning a screw with a fine thread. DERIVATIVES: mi·crom·e·try / -ətrē/ n.

micrometer

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"micrometer." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 21 Aug. 2017 <http://www.encyclopedia.com>.

"micrometer." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (August 21, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/micrometer-0

"micrometer." The Oxford Pocket Dictionary of Current English. . Retrieved August 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/micrometer-0

micrometer

micrometer (my-krom-it-er) n. an instrument for making extremely fine measurements of thickness or length.

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"micrometer." A Dictionary of Nursing. . Encyclopedia.com. 21 Aug. 2017 <http://www.encyclopedia.com>.

"micrometer." A Dictionary of Nursing. . Encyclopedia.com. (August 21, 2017). http://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/micrometer

"micrometer." A Dictionary of Nursing. . Retrieved August 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/micrometer

micrometer

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"micrometer." Oxford Dictionary of Rhymes. . Encyclopedia.com. 21 Aug. 2017 <http://www.encyclopedia.com>.

"micrometer." Oxford Dictionary of Rhymes. . Encyclopedia.com. (August 21, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/micrometer

"micrometer." Oxford Dictionary of Rhymes. . Retrieved August 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/micrometer