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Definitions

spectra

[spek-truh] / ˈspɛk trə /
NOUN
color spectrum
Synonyms




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.

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

Jerry Xuan, a 51 Pegasi b Fellow at UCLA, built sophisticated atmospheric models to compare with the telescope's spectra and determine whether sulfur was present.

From Science Daily • Feb. 11, 2026

Understanding the full picture requires precise measurements of the energy spectra of different cosmic ray species and their individual "knees."

From Science Daily • Nov. 16, 2025

"The infrared wavelengths of our observations overlap with an important silicate dust feature that's characteristic of some red supergiant spectra," Kilpatrick said.

From Science Daily • Oct. 9, 2025

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