micrometer
I. noun Etymology: French micromètre, from micr- + -mètre -meter Date: 1670 1. an instrument used with a telescope or microscope for measuring minute distances 2. a caliper for making precise measurements that has a spindle moved by a finely threaded screw II. noun Etymology: International Scientific Vocabulary micr- + 3meter Date: 1880 a unit of length equal to one millionth of a meter — called also micron — see metric system table

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Micrometer — Mi*crom e*ter, n. [Micro + meter: cf. F. microm[ e]tre.] An instrument, used with a telescope or microscope, for measuring minute distances, or the apparent diameters of objects which subtend minute angles. The measurement given directly is that… …   The Collaborative International Dictionary of English

  • micrometer — micrometer1 [mī kräm′ət ər] n. [Fr micromètre: see MICRO & METER] 1. an instrument for measuring very small distances, angles, diameters, etc., used on a telescope or microscope 2. MICROMETER CALIPER micrometer2 [mī′krō mēt΄ər] n …   English World dictionary

  • micrometer — (n.) 1660s, from MICRO (Cf. micro ) + METER (Cf. meter). Originally a telescope attachment; from 1884 as a craftsman s fine measuring tool. Related: Micrometry; micrometric …   Etymology dictionary

  • micrometer — ► NOUN ▪ a gauge which measures small distances or thicknesses …   English terms dictionary

  • Micrometer — This article is about the measuring device. For the unit of length, see Micrometre. Outside, inside, and depth micrometers A micrometer (   …   Wikipedia

  • micrometer — [1] A precision measuring tool that will give readings accurate to 0.002 mm or 0.0001 of an inch. Sometimes called inside micrometer or outside micrometer. Also called a mike. [2] A unit of measurement of thickness which is equal to one… …   Dictionary of automotive terms

  • micrometer — he·lio·micrometer; micrometer; ra·dio·micrometer; stereo·micrometer; ul·tra·micrometer; …   English syllables

  • micrometer — micrometer1 /muy krom i teuhr/, n. 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… …   Universalium

  • micrometer — mikrometras statusas T sritis Standartizacija ir metrologija apibrėžtis Ilginių matmenų matuoklis, veikiantis sraigto principu. atitikmenys: angl. micrometer; micrometer calliper vok. Mikrometer, n; Schraubenmikrometer, n rus. микрометр, m pranc …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • micrometer — mikrometras statusas T sritis Standartizacija ir metrologija apibrėžtis Tikslus vidmatis ar išormatis, turintis smulkiasriegį sraigtinį mechanizmą, kuris stumia matavimo veleną su skale, o iš skalės rodmenų nustatoma matuojamojo dydžio vertė.… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • micrometer — /maɪˈkrɒmətə / (say muy kromuhtuh) noun 1. any of various devices for measuring minute distances, angles, etc., as in connection with a telescope or microscope. 2. a U shaped gauge for measuring thicknesses or short lengths in which the gap… …   Australian English dictionary

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