spectroscopy

noun
spec·​tros·​co·​py | \spek-ˈträ-skə-pē \

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

Once the material was collected, the scientists used magnetic resonance and spectroscopy, the dividing of light into wavelengths, to understand how much material absorbed a particular frequency of infrared light. David Grossman, Popular Mechanics, "The Milky Way Is Full of Potentially Toxic "Space Grease"," 28 June 2018 Accordingly, astronomers can use spectroscopy to measure the chemical compositions of stars in our galaxy and differentiate those in the disk from those in the halo. Jay Bennett, Popular Mechanics, "The Milky Way Galaxy Might Be Twice as Wide as Astronomers Thought," 13 June 2018 This device maps terrestrial ecosystems using thermal measurements, imaging spectroscopy and a remote sensing technique known as LiDAR. Brigit Katz, Smithsonian, "‘Staggering’ Damage to Florida’s Everglades Remains in the Wake of Hurricane Irma," 20 Apr. 2018 According to a press release, the team then used infrared spectroscopy from NASA’s Spitzer and Hubble Space Telescope to look at the brightness of JD1. Jason Daley, Smithsonian, "Astronomers Find Signature From the Universe’s Earliest Known Stars," 22 May 2018 Cicco’s attorney, Christopher McHugh, hired a scientist, Tom Tague, to examine the sample using spectroscopy in order to determine its provenance. Cyrus Farivar, Ars Technica, "Woman: Neil Armstrong gave me moondust; I don’t want NASA to take it away," 13 June 2018 Kayama and his colleagues analyzed 14 lunar meteorites using sophisticated methods, including micro-Raman spectroscopy and electron microscopy. Tereza Pultarova, Scientific American, "Mineral Found in Lunar Meteorite Hints at Hidden Moon Water," 3 May 2018 None of it involved the principal science payload, although some spectroscopy and minor atmospheric observations were lost, as well as some data from a dust counter designed by a group of students. John Wenz, Popular Mechanics, "NASA's Pluto-Bound Probe is Back Online and Ready to Go," 6 July 2015 His PhD thesis, completed there in 1969, used optical spectroscopy to determine splits in the energy levels of rare earth ions in garnets under the influence of the electromagnetic fields of the crystals. Martin Weil, BostonGlobe.com, "Peter Gruenberg; won Nobel for work that led to quicker computers," 12 Apr. 2018

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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The first known use of spectroscopy was in 1869

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More Definitions for spectroscopy

spectroscopy

noun
spec·​tros·​co·​py | \spek-ˈträs-kə-pē \
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

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