spectrometer

noun

spec·​trom·​e·​ter spek-ˈträ-mə-tər How to pronounce spectrometer (audio)
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 (such as mass or energy) of the emission and the amount of dispersion is measured
nuclear magnetic resonance spectrometer
spectrometric adjective
spectrometry noun

Examples of spectrometer in a Sentence

Recent Examples on the Web
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Canceling the tracker layer upgrade to the spectrometer would also not be catastrophic. Eric Berger, ArsTechnica, 7 May 2025 It was packed with a variety of astronomical instruments, from temperature and pressure sensors to radio transmitters and a gamma-ray spectrometer. Joe Hernandez, NPR, 5 May 2025 The lab says the imaging spectrometer aboard the satellite measures hundreds of wavelengths of light that are reflected by the Earth’s surface. Rob Nikolewski, Mercury News, 28 Mar. 2025 The spectrometer, the Optical Sensing of Plasmas in the Reentry Environment (OSPREE) sensor, is expected to provide the first-ever in situ optical emission measurements of the reentry environment past Mach 15, according to Varda. Andrew Jones, Space.com, 5 Mar. 2025 See All Example Sentences for spectrometer

Word History

Etymology

International Scientific Vocabulary

First Known Use

1874, in the meaning defined at sense 1

Time Traveler
The first known use of spectrometer was in 1874

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Cite this Entry

“Spectrometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spectrometer. Accessed 15 May. 2025.

Kids Definition

spectrometer

noun
spec·​trom·​e·​ter spek-ˈträm-ət-ər How to pronounce spectrometer (audio)
1
: an instrument for producing a spectrum
2
: an instrument that spreads particles or radiation into an ordered sequence (as by mass or energy)

Medical Definition

spectrometer

noun
spec·​trom·​e·​ter spek-ˈträm-ət-ər How to pronounce spectrometer (audio)
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
spectrometric adjective
spectrometry noun
plural spectrometries

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