spectroscopy

noun

spec·​tros·​co·​py spek-ˈträ-skə-pē How to pronounce spectroscopy (audio)
1
: the process or technique of using a spectroscope or spectrometer
2
: the production and investigation of spectra

Examples of spectroscopy in a Sentence

Recent Examples on the Web
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Using two scientific techniques — called Fourier-transform infrared spectroscopy and gas chromatography-mass spectrometry — the researchers were able to measure how much infrared light the beads absorbed, which revealed their chemical makeup, according to the study. Irene Wright, Miami Herald, 30 Jan. 2025 Infrared spectroscopy and simulated friction tests revealed that the composites containing 3 percent and 5 percent zirconia nanoparticles were the most slip-resistant. Jennifer Ouellette, Ars Technica, 4 Feb. 2025 So, when the planet's insides are on the outside, spectroscopy offers a clever way to see within terrestrial worlds. Robert Lea, Space.com, 17 Jan. 2025 Functional near-infrared spectroscopy, or fNIRS, measures changes in metabolic activity. Paul Brandt-Rauf, The Conversation, 7 Jan. 2025 See All Example Sentences for spectroscopy

Word History

First Known Use

1869, in the meaning defined at sense 1

Time Traveler
The first known use of spectroscopy was in 1869

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Cite this Entry

“Spectroscopy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spectroscopy. Accessed 8 Mar. 2025.

Medical Definition

spectroscopy

noun
spec·​tros·​co·​py spek-ˈträs-kə-pē How to pronounce spectroscopy (audio)
plural spectroscopies
1
a
: the production and investigation of spectra
b
: the process or technique of using a spectroscope or spectrometer
2
: physics that deals with the theory and interpretation of interactions between matter and radiation (as electromagnetic radiation)

More from Merriam-Webster on spectroscopy

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