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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

The new approach allows scientists to simulate the vibrational spectra of complex and disordered materials at realistic temperatures with near-ab initio accuracy while significantly reducing computational cost.

From Science Daily • Mar. 7, 2026

The team also compared the images with spectra from major facilities such as Gemini.

From Science Daily • Dec. 31, 2025

They also know how stars should appear in images and in detailed measurements of their light known as spectra.

From Science Daily • Nov. 29, 2025

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