Definition of SPECTROGRAPH (original) (raw)
: an instrument for dispersing radiation (such as electromagnetic radiation or sound waves) into a spectrum and recording or mapping the spectrum
spectrographically
adverb
Examples of spectrograph in a Sentence
Recent Examples on the Web
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This latest study relied on data collected by Caltech's Keck Cosmic Web Imager, a spectrograph at the Keck Observatory in Hawaii. —
Ars Technica, 30 Dec. 2024 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 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 21 Jan. 2025.
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Last Updated: 12 Jan 2025 - Updated example sentences
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