- 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.
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
In its current phase, the project uses robotic instruments to collect spectra from millions of objects across the sky, helping scientists study how stars, black holes, and galaxies evolve over time.
From Science Daily • Apr. 4, 2026
"The spectra revealed that the signatures of the high-temperature plasma change velocity between the three observations, following the orbital motion of the white dwarf rather than that of the Be star," the researcher continues.
From Science Daily • Mar. 25, 2026
The team also compared the images with spectra from major facilities such as Gemini.
From Science Daily • Dec. 31, 2025
Different stars have different spectra, but the relative brightness of the different colors is always exactly what one would expect to find in the light emitted by an object that is glowing red hot.
From "A Brief History of Time: And Other Essays" by Stephen Hawking
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
