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
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To monitor the structural and chemical changes during cathode synthesis, the team also used X-ray absorption spectroscopy and X-ray diffraction at SLAC’s Stanford Synchrotron Radiation Lightsource (SSRL).
—
Georgina Jedikovska, Interesting Engineering, 14 May 2026
These key insights arise from JWST’s ability to perform spectroscopy on LAP1-B, spreading the tiny galaxy’s light into a rainbowlike spectrum of colors; the specific mix of colors can reveal an object’s chemical composition.
—Lee Billings, Scientific American, 13 May 2026
The Raman spectroscopy didn’t find any residues of plants or resins on the tooth.
—ArsTechnica, 13 May 2026
Groups of researchers in California, Germany, and now France have been inventing ways to shrink the whole spectroscopy system onto a chip, so scientists can take the instrument into the field.
—IEEE Spectrum, 30 Apr. 2026
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Georgina Jedikovska, Interesting Engineering, 14 May 2026
These key insights arise from JWST’s ability to perform spectroscopy on LAP1-B, spreading the tiny galaxy’s light into a rainbowlike spectrum of colors; the specific mix of colors can reveal an object’s chemical composition.
—Lee Billings, Scientific American, 13 May 2026
The Raman spectroscopy didn’t find any residues of plants or resins on the tooth.
—ArsTechnica, 13 May 2026
Groups of researchers in California, Germany, and now France have been inventing ways to shrink the whole spectroscopy system onto a chip, so scientists can take the instrument into the field.
—IEEE Spectrum, 30 Apr. 2026
See All Example Sentences for spectroscopy
Cite this Entry
“Spectroscopy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spectroscopy. Accessed 18 May. 2026.
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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