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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Only without the spark plugs. Ingredients of life After micro-lightnings started jumping between droplets in a mixture of gases similar to that used by Miller and Urey, the team examined their chemical composition with a mass spectrometer. Ars Technica, 14 Mar. 2025 These could include rovers outfitted with leading-edge cameras, spectrometers and lasers, along with helicopters that could overfly and map the lava tubes that might shelter future habitats. Kevin Holden Platt, Forbes, 11 Mar. 2025 Athena also was funded in large part by NASA's CLPS program, which agreed to pay the company $62.5 million to carry a sophisticated drill and mass spectrometer to the moon. William Harwood, CBS News, 1 Mar. 2025 The Athena lander will deploy drills, a mass spectrometer – a chemical analysis device – near the moon's south pole to search for lunar water ice. Stephen J. Beard, USA TODAY, 27 Feb. 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 24 Mar. 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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