- plural of spectrum.
spectra
Americannoun
noun
Example Sentences
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For the first time, DR20 includes SDSS-V stellar and extra-galactic optical spectra obtained in the Southern Hemisphere.
From Science Daily ● Aug. 14, 2026
One interesting result, Davis says, is that signatures of magnesium-rich phyllosilicates were found in the spectra of Larissa, Galatea, and the rings -- minerals that only form in the presence of liquid water.
From Science Daily ● Aug. 14, 2026
DR20 now includes integral field spectroscopy maps of 6 separate target regions covering 169 tiles and about 300,000 spectra.
From Science Daily ● Aug. 14, 2026
They also examined spectra, which are created when light is separated into its component wavelengths, much like a prism creating a rainbow.
From Science Daily ● Jun. 11, 2026
Moreover, we find that certain very specific colors are missing from stars’ spectra, and these missing colors may vary from star to star.
From "A Brief History of Time: And Other Essays" by Stephen Hawking
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