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Synonyms

spectra

American  
[spek-truh] / ˈspɛk trə /

noun

  1. a plural of spectrum.


spectra British  
/ ˈspɛktrə /

noun

  1. the plural of spectrum

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

A few days after the initial flash, it brightened again, shifted to bluer light, and showed hydrogen in its spectra.

From Science Daily • Apr. 24, 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

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

Following a lead by the astronomer V. M. Slipher at Lowell Observatory, they began measuring the spectra of distant galaxies.

From "Cosmos" by Carl Sagan

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