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

The spectra revealed multiple metals -- elements heavier than helium -- mixed into the gas.

From Science Daily • Jan. 24, 2026

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

From Science Daily • Dec. 31, 2025

Crucially, the simulated light spectra closely matched what astronomers observe from real systems.

From Science Daily • Dec. 22, 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