mass spectrometry

noun

: an instrumental method for identifying the chemical constitution of a substance by means of the separation of gaseous ions according to their differing mass and charge

called also mass spectroscopy

mass spectrometric adjective
mass spectrometer noun

Examples of mass spectrometry 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.
Using transcriptomics and mass spectrometry, researchers found that older mice had more FTL1 in their hippocampus, the brain's memory HQ. Pranjal Malewar, New Atlas, 2 Sep. 2025 Using mass spectrometry, researchers sorted 700 groups of lipid molecules found in the blood. Ashley J. Dimella, FOXNews.com, 24 Aug. 2025 ShortStop identified 210 novel microprotein candidates, several of which were validated by mass spectrometry. William A. Haseltine, Forbes.com, 18 Aug. 2025 Characterisation confirmed the structure using mass spectrometry, NMR, UV-visible, and Raman spectroscopy. Neetika Walter, Interesting Engineering, 15 Aug. 2025 See All Example Sentences for mass spectrometry

Word History

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of mass spectrometry was in 1926

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Cite this Entry

“Mass spectrometry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mass%20spectrometry. Accessed 8 Sep. 2025.

Medical Definition

mass spectrometry

noun
: an instrumental method for identifying the chemical constitution of a substance by means of the separation of gaseous ions according to their differing mass and charge

called also mass spectroscopy

mass spectrometric adjective
mass spectrometrically adverb

More from Merriam-Webster on mass spectrometry

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