spectrometer
noun
spec·trom·e·ter
spek-ˈträ-mə-tər 
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
Examples of spectrometer in a Sentence
Recent Examples on the Web
Even with a short lifespan, Pragyan gathered valuable scientific data using its X-ray spectrometer and the other instruments.
—
Atharva Gosavi, Interesting Engineering, 26 Nov. 2025
Members of the Kentucky National Guard use a portable gas chromatograph mass spectrometer on Nov. 5 to test for airborne toxic chemicals at the site of the crash.
—Matt Lavietes, NBC news, 12 Nov. 2025
However, Koßagk noted that a mass spectrometer for analyzing the gas and instruments for dust separation and analysis would increase the power requirement and mass.
—Samantha Mathewson, Space.com, 30 Oct. 2025
Products include microscopes used by surgeons and mass spectrometers used by molecular biologists.
—Zev Fima, CNBC, 21 Oct. 2025
See All Example Sentences for spectrometer
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Atharva Gosavi, Interesting Engineering, 26 Nov. 2025
Members of the Kentucky National Guard use a portable gas chromatograph mass spectrometer on Nov. 5 to test for airborne toxic chemicals at the site of the crash.
—Matt Lavietes, NBC news, 12 Nov. 2025
However, Koßagk noted that a mass spectrometer for analyzing the gas and instruments for dust separation and analysis would increase the power requirement and mass.
—Samantha Mathewson, Space.com, 30 Oct. 2025
Products include microscopes used by surgeons and mass spectrometers used by molecular biologists.
—Zev Fima, CNBC, 21 Oct. 2025
See All Example Sentences for spectrometer
Cite this Entry
“Spectrometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spectrometer. Accessed 30 Nov. 2025.
Copy CitationKids Definition
spectrometer
noun
spec·trom·e·ter
spek-ˈträm-ət-ər
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
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
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