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[spek-trom-i-ter] /spɛkˈtrɒm ɪ tər/
noun, Optics.
an optical device for measuring wavelengths, deviation of refracted rays, and angles between faces of a prism, especially an instrument (prism spectrometer) consisting of a slit through which light passes, a collimator, a prism that deviates the light, and a telescope through which the deviated light is viewed and examined.
Origin of spectrometer
First recorded in 1870-75; spectro- + -meter
Related forms
[spek-truh-me-trik] /ˌspɛk trəˈmɛ trɪk/ (Show IPA),
spectrometry, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for spectrometer


any instrument for producing a spectrum, esp one in which wavelength, energy, intensity, etc, can be measured See also mass spectrometer
Derived Forms
spectrometric (ˌspɛktrəʊˈmɛtrɪk) adjective
spectrometry, noun
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
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spectrometer in Medicine

spectrometer spec·trom·e·ter (spěk-trŏm'ĭ-tər)
A spectroscope equipped with scales for measuring wavelengths or indexes of refraction.

spec'tro·met'ric (-trə-mět'rĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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spectrometer in Science
A spectroscope equipped with devices for measuring the frequencies of the radiation observed by it.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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