[ 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.



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Origin of spectrometer

First recorded in 1870–75; spectro- + -meter

OTHER WORDS FROM spectrometer

spec·tro·met·ric [spek-truh-me-trik] /ˌspɛk trəˈmɛ trɪk/, adjectivespec·trom·e·try, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for spectrometer

British Dictionary definitions for spectrometer

/ (spɛkˈtrɒmɪtə) /


any instrument for producing a spectrum, esp one in which wavelength, energy, intensity, etc, can be measuredSee also mass spectrometer

Derived forms of spectrometer

spectrometric (ˌspɛktrəʊˈmɛtrɪk), adjectivespectrometry, 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

Medical definitions for spectrometer

[ spĕk-trŏmĭ-tər ]


A spectroscope equipped with scales for measuring wavelengths or indexes of refraction.

Other words from spectrometer

spec′tro•metric (-trə-mĕtrĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for spectrometer

[ spĕk-trŏmĭ-tər ]

A spectroscope equipped with devices for measuring the frequencies of the radiation observed by it.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.