spectra

[spek-truh] / ˈspɛk trə /

NOUN

color spectrum

Synonyms

STRONG

rainbow

WEAK

chromatic spectrum hue cycle

NOUN

range

Synonyms

STRONGEST

gamut scope

STRONG

compass extent field scale span sweep

NOUN

array

Synonyms

STRONGEST

continuum range sphere

STRONG

colors distribution sequence series

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

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

The ability of the Daniel K. Inouye Solar Telescope's Cryo-NIRSP instrument to provide high-quality spectra opens new possibilities for studying wave physics in the solar atmosphere.

From Science Daily • Oct. 27, 2025

Since then, spectra from JWST's NIRSpec instrument became available for those, and a few other extremely distant objects.

From Science Daily • Oct. 14, 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