dark matter

noun

: nonluminous matter not yet directly detected by astronomers that is hypothesized to exist to account for various observed gravitational effects

Examples of dark matter in a Sentence

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Congress must curb the misuse of emergency declarations and prevent unchecked growth of regulatory dark matter during crises. Clyde Wayne Crews Jr., Forbes, 9 Dec. 2024 Rubin wasn’t the first scientist to theorize about dark matter. Emilie Le Beau Lucchesi, Discover Magazine, 3 Dec. 2024 This would mean that dark matter was created much earlier than scientists previously thought. Mark R. Weaver, Newsweek, 3 Dec. 2024 While physicists are hunting for dark matter in the laboratory, astronomers have their own strategies for looking for evidence of dark matter in deep space. Dan Falk, Smithsonian Magazine, 25 Oct. 2024 See all Example Sentences for dark matter 

Word History

First Known Use

1933, in the meaning defined above

Time Traveler
The first known use of dark matter was in 1933

Dictionary Entries Near dark matter

Cite this Entry

“Dark matter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dark%20matter. Accessed 22 Dec. 2024.

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