cosmic noise

noun

: unidentified celestial radio-frequency radiation
especially : such radiation originating from outside the Milky Way

Examples of cosmic noise in a Sentence

Recent Examples on the Web Every few seconds the players pause for a moment, perhaps listening for cosmic noise. Jeffrey Gantz, BostonGlobe.com, 22 Oct. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cosmic noise.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of cosmic noise was in 1947

Dictionary Entries Near cosmic noise

Cite this Entry

“Cosmic noise.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmic%20noise. Accessed 22 Apr. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!