spectroscopy
noun
spec·tros·co·py
spek-ˈträ-skə-pē 
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
Investigating Inflation To understand the physics behind inflation, SPHEREx is using a technique known as spectroscopy.
—
Matt Alderton, USA Today, 10 Oct. 2025
In fact, studying the atmospheres of exoplanets via a method called transit spectroscopy is Kesseli's specialty.
—Keith Cooper, Space.com, 8 Oct. 2025
Between the first 10 hours and three days after birth, the team observed how the newborns’ brains reacted to German, Hebrew and French by using functional near-infrared spectroscopy (fNIRS), a noninvasive imaging technique that measures changes in blood oxygenation in the brain.
—Meghie Rodrigues, Scientific American, 7 Oct. 2025
Ocean Shield develops an environmentally friendly macromolecular sunscreen ingredient while Purvée Technology’s device can detect microplastics and microfibers using smart hardware equipped with infrared spectroscopy and AI algorithms.
—Alexandra Harrell, Sourcing Journal, 3 Oct. 2025
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Matt Alderton, USA Today, 10 Oct. 2025
In fact, studying the atmospheres of exoplanets via a method called transit spectroscopy is Kesseli's specialty.
—Keith Cooper, Space.com, 8 Oct. 2025
Between the first 10 hours and three days after birth, the team observed how the newborns’ brains reacted to German, Hebrew and French by using functional near-infrared spectroscopy (fNIRS), a noninvasive imaging technique that measures changes in blood oxygenation in the brain.
—Meghie Rodrigues, Scientific American, 7 Oct. 2025
Ocean Shield develops an environmentally friendly macromolecular sunscreen ingredient while Purvée Technology’s device can detect microplastics and microfibers using smart hardware equipped with infrared spectroscopy and AI algorithms.
—Alexandra Harrell, Sourcing Journal, 3 Oct. 2025
See All Example Sentences for spectroscopy
Cite this Entry
“Spectroscopy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spectroscopy. Accessed 17 Oct. 2025.
Copy CitationMedical Definition
spectroscopy
noun
spec·tros·co·py
spek-ˈträs-kə-pē
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)
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