spec·​tros·​co·​py | \ spek-ˈträ-skə-pē How to pronounce spectroscopy (audio) \

Definition of spectroscopy

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

There would be years of treatment, Tall Baby finally diagnosed after many tests by a highly specialized neurologist at NYU Langone, including a tissue biopsy, brain spectroscopy, MRI and spinal tap. Washington Post, "How learning to listen (with my heart) helped me help my son," 2 Sep. 2019 After taking some size and density measurements, his team examined the plastics’ chemical makeup using X-ray and infrared spectroscopy. Rob Arnold, National Geographic, "New plastic pollution formed by fire looks like rocks," 16 Aug. 2019 The scientists then used a type of infrared spectroscopy to determine the composition of their samples. Los Angeles Times, "Microplastic in the atmosphere is making its way to the pristine Arctic," 15 Aug. 2019 Funding from governments and industry has prompted an abundance of other ideas—from laser spectroscopy to MRI scans to genetic engineering. Gretchen Vogel, Science | AAAS, "‘Ethical’ eggs could save male chicks from mass slaughter," 14 Aug. 2019 With Raman spectroscopy, the frequency of the light changes in characteristic ways for particular types of molecules. Stephanie Demarco, latimes.com, "Archaeologists have a new way to unlock the secrets of ancient burned bones," 28 June 2019 The third method the researchers used, called inelastic neutron scattering spectroscopy, is much less common. Stephanie Demarco, latimes.com, "Archaeologists have a new way to unlock the secrets of ancient burned bones," 28 June 2019 Alternative approaches, including nuclear magnetic resonance spectroscopy and cryoelectron microscopy, also require large amounts of a protein and can take months. Robert F. Service, Science | AAAS, "Mutant genes could supercharge efforts to decipher protein structures," 18 June 2019 Using a technique called spectroscopy, scientists are able to measure the light from the star and measure the amount, or abundance, of those elements. Natalie Hinkel, The Conversation, "Accelerating exoplanet discovery using chemical fingerprints of stars," 25 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'spectroscopy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of spectroscopy

1869, in the meaning defined at sense 1

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Statistics for spectroscopy

Last Updated

9 Sep 2019

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Time Traveler for spectroscopy

The first known use of spectroscopy was in 1869

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More Definitions for spectroscopy


spec·​tros·​co·​py | \ spek-ˈträs-kə-pē How to pronounce spectroscopy (audio) \
plural spectroscopies

Medical Definition of spectroscopy

1a : 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

Rhyming Dictionary: Words that rhyme with spectroscopy

Britannica.com: Encyclopedia article about spectroscopy

Comments on spectroscopy

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readily or continually undergoing change

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