spectrometer

spectrometer
An instrument for determining the wavelength or energy of light or other electromagnetic emission. [spectro- + G. metron, measure]

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spec·trom·e·ter spek-'träm-ət-ər n
1) an instrument used for measuring wavelengths of light spectra
2) any of various analytical instruments in which an emission (as of particles or radiation) is dispersed according to some property (as mass or energy) of the emission and the amount of dispersion is measured <nuclear magnetic resonance \spectrometer>
spec·tro·met·ric .spek-trə-'me-trik adj
spec·trom·e·try spek-'träm-ə-trē n, pl -tries

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n.
any instrument for measuring the intensity and wavelengths of visible or invisible electromagnetic radiations. See also spectroscope.

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spec·trom·e·ter (spek-tromґə-tər) [spectro- + -meter] 1. an instrument for measuring the index of refraction by measuring the external angle of a prism of the substance. 2. a spectroscope for measuring the wavelengths of rays of a spectrum.

Medical dictionary. 2011.

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  • spectrometer — [spek träm′ət ər] n. [Ger spektrometer: see SPECTRO & METER] an instrument used for measuring spectral wavelengths spectrometric [spek΄trō me′trik] adj. spectrometry [spek trō′ə trē] n …   English World dictionary

  • Spectrometer — This article is about Spectrometers. For the spectral density measuring instrument, see Spectrogram. Grating spectrometer schematic A spectrometer (spectrophotometer, spectrograph or spectroscope) is an instrument used to measure properties of… …   Wikipedia

  • spectrometer — spectrometric /spek treuh me trik/, adj. spectrometry, n. /spek trom i teuhr/, n. Optics. an optical device for measuring wavelengths, deviation of refracted rays, and angles between faces of a prism, esp. an instrument (prism spectrometer)… …   Universalium

  • spectrometer — noun Etymology: International Scientific Vocabulary Date: 1874 1. an instrument used for measuring wavelengths of light spectra 2. any of various analytical instruments in which an emission (as of particles or radiation) is dispersed according to …   New Collegiate Dictionary

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