spectrograph

noun

spec·​tro·​graph ˈspek-t(r)ə-ˌgraf How to pronounce spectrograph (audio)
: an instrument for dispersing radiation (such as electromagnetic radiation or sound waves) into a spectrum and recording or mapping the spectrum
spectrographic adjective
spectrographically adverb
spectrography noun

Examples of spectrograph in a Sentence

Recent Examples on the Web
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For almost a decade now, a dedicated team of Lithuanian astronomers has been trying to answer this conundrum using a state-of-the-art spectrograph at a telescope some 70 km outside Vilnius. Bruce Dorminey, Forbes, 16 Oct. 2024 Astronomers discern such subtleties by using a spectrograph to split a star’s light into its constituent colors, looking for Doppler shifts in the rainbowlike spectrum. John Wenz, Scientific American, 4 Oct. 2024 Adorned with high-resolution cameras, spectrographs and magnetometers, the JUICE mission should be more than equipped to shed new light on Ganymede’s past. Shi En Kim, Smithsonian Magazine, 5 Sep. 2024 Locating the Lyman break requires imaging with with a spectrograph, which can sample the full spectrum of near-infrared light. Kevin Purdy, Ars Technica, 31 July 2024 See all Example Sentences for spectrograph 

Word History

Etymology

International Scientific Vocabulary

First Known Use

1884, in the meaning defined above

Time Traveler
The first known use of spectrograph was in 1884

Dictionary Entries Near spectrograph

Cite this Entry

“Spectrograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spectrograph. Accessed 26 Nov. 2024.

Kids Definition

spectrograph

noun
spec·​tro·​graph ˈspek-t(r)ə-ˌgraf How to pronounce spectrograph (audio)
: an instrument for spreading radiation (as of light or sound) into a spectrum and photographing or mapping the spectrum

Medical Definition

spectrograph

noun
spec·​tro·​graph -ˌgraf How to pronounce spectrograph (audio)
: an instrument for dispersing radiation (as electromagnetic radiation or sound waves) into a spectrum and photographing or mapping the spectrum
spectrographic adjective
spectrographically adverb
spectrography noun
plural spectrographies

More from Merriam-Webster on spectrograph

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