- plural of spectrum.
spectra
Americannoun
noun
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Across the BHM and MWM surveys, DR20 contains more than 3 million spectra covering 1.5 million stars.
From Science Daily ● Aug. 14, 2026
According to the researchers, the new method delivers redshift estimates with precision comparable to spectroscopic measurements, but without requiring spectra.
From Science Daily ● Jun. 29, 2026
By examining highly precise data collected by DAMPE, researchers discovered a universal pattern in the energy spectra of primary cosmic ray nuclei, ranging from lightweight protons to much heavier iron nuclei.
From Science Daily ● May 14, 2026
Researchers have collected more than 600 million spectra from a region of sky spanning an area equivalent to more than 2,000 full Moons.
From Science Daily ● Mar. 8, 2026
It soon became clear that Humason was better able to obtain high-quality spectra of distant galaxies than any professional astronomer in the world.
From "Cosmos" by Carl Sagan
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.