cosmic noise
noun
: unidentified celestial radio-frequency radiation
especially
: such radiation originating from outside the Milky Way
Examples of cosmic noise in a Sentence
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Every few seconds the players pause for a moment, perhaps listening for cosmic noise.
—
Jeffrey Gantz, BostonGlobe.com, 22 Oct. 2022
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Jeffrey Gantz, BostonGlobe.com, 22 Oct. 2022
Cite this Entry
“Cosmic noise.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmic%20noise. Accessed 31 Oct. 2025.
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