gravitational radiation

noun

: a series of gravitational waves
also : the generation of such waves (as by a celestial object)

Examples of gravitational radiation in a Sentence

Recent Examples on the Web
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In the last few years, however, gravitational wave astronomy has made great strides in detecting gravitational radiation rippling through spacetime at the speed of light. Bruce Dorminey, Forbes, 10 Nov. 2021 This gravitational radiation carries angular momentum away from the binary system, causing the neutron stars to draw together. Robert Lea, Space.com, 12 Feb. 2025 As a result, gravitational radiation is much weaker in magnitude compared to electromagnetic radiation, and much harder to detect. Big Think, 3 Apr. 2026 Experimentalists could not go straight from Einstein’s original predictions about gravitational radiation to building an apparatus capable of detecting a passing wave. Steve Nadis, Discover Magazine, 20 Apr. 2023 See All Example Sentences for gravitational radiation

Word History

First Known Use

1938, in the meaning defined above

Time Traveler
The first known use of gravitational radiation was in 1938

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Cite this Entry

“Gravitational radiation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gravitational%20radiation. Accessed 7 Jul. 2026.

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