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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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 One is a drill and spectrometer made by NASA that will look for water under the lunar surface. Joe Palca, NPR, 26 Feb. 2025 The Athena lander's Trident drill and a mass spectrometer will analyze the ultra-cold soil beneath the spacecraft. William Harwood, CBS News, 26 Feb. 2025 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 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

Browse Nearby Words

Cite this Entry

“Spectrometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spectrometer. Accessed 7 Apr. 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

More from Merriam-Webster on spectrometer

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!