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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The black holes would cause this dark matter to vibrate like a bell rather than dispersing. Jonathan O’Callaghan, WIRED, 1 Dec. 2024 Such regulatory dark matter is not reliably cataloged and archived. Clyde Wayne Crews Jr., Forbes, 30 Oct. 2024 One of Euclid’s primary goals is to observe dark matter and dark energy. Ashley Strickland, CNN, 23 Oct. 2024 Dark matter will have bent the light from the most distant galaxies over time, so scientists could work backward from Euclid’s observations to find out where that dark matter lies. Margherita Bassi, Smithsonian Magazine, 16 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 15 Dec. 2024.

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