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 spectrometer
noun
mass spectrometric
adjective
Examples of mass spectrometry in a Sentence
Recent Examples on the Web
Each sample was then analyzed with liquid chromatography-tandem mass spectrometry (LC-MS), and cafestol and kahweol levels were measured.
—
New Atlas, 2 Jan. 2026
Untargeted analysis has been less common because there has been no single source of information available to help decode a large percentage of the readings that mass spectrometry analysis returns.
—Paul Sisson, San Diego Union-Tribune, 9 Dec. 2025
AiA’s expertise is testing non-traditional isotopes and analyzing elements using plasma source mass spectrometry.
—Sarah Jones, Sourcing Journal, 18 Nov. 2025
Returning to the team's analysis, an isotope is an atom of a specific element that has the same number of protons but a different number of neutrons — and Dottin wanted to check the isotopic ratios of sulfur, which a secondary ion mass spectrometry can measure precisely.
—Keith Cooper, Space.com, 13 Oct. 2025
See All Example Sentences for mass spectrometry
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.
New Atlas, 2 Jan. 2026
Untargeted analysis has been less common because there has been no single source of information available to help decode a large percentage of the readings that mass spectrometry analysis returns.
—Paul Sisson, San Diego Union-Tribune, 9 Dec. 2025
AiA’s expertise is testing non-traditional isotopes and analyzing elements using plasma source mass spectrometry.
—Sarah Jones, Sourcing Journal, 18 Nov. 2025
Returning to the team's analysis, an isotope is an atom of a specific element that has the same number of protons but a different number of neutrons — and Dottin wanted to check the isotopic ratios of sulfur, which a secondary ion mass spectrometry can measure precisely.
—Keith Cooper, Space.com, 13 Oct. 2025
See All Example Sentences for mass spectrometry
Cite this Entry
“Mass spectrometry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mass%20spectrometry. Accessed 22 Jan. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
