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 Gillreath-Brown analyzed the tips with a scanning electron microscope, X‑ray florescence and energy dispersive ray spectroscopy. David Grossman, Popular Mechanics, "The United States' Oldest Tattoo Needle Is an Inked-Up Cactus Spine," 28 Feb. 2019 Scientists studied its structure using Raman and infrared spectroscopies, as well as X-ray microtomography. Fox News, "First-ever diamond within a diamond, found in Russia, is said to be 800 million years old," 10 Oct. 2019 Recently, researchers used spectroscopy to find water vapor in the atmosphere of planet K2-18b, which is a daunting 110 light-years from Earth. NBC News, "We keep looking for space aliens. Are they looking for us?," 18 Sep. 2019 And with infrared spectroscopy, molecules absorb specific frequencies of light, giving away their identity. Stephanie Demarco, latimes.com, "Archaeologists have a new way to unlock the secrets of ancient burned bones," 28 June 2019 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

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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Time Traveler for spectroscopy

Time Traveler

The first known use of spectroscopy was in 1869

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Statistics for spectroscopy

Last Updated

2 Dec 2019

Cite this Entry

“Spectroscopy.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/spectroscopy?pronunciation&lang=en_us&file=spectr28.wav. Accessed 14 December 2019.

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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

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