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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That’s it; those options represent the full suite of possibilities that are consistent with dark matter.
—
Big Think, 29 Jan. 2026
Cosmic ray detectors hunt rare antideuterons as dark matter annihilation signatures—but galactic cosmic rays smashing into interstellar gas also produce them, creating background noise.
—Tejasri Gururaj, Interesting Engineering, 29 Jan. 2026
The latest map, published Monday in the journal Nature Astronomy, includes information on new galaxy clusters and the strands of dark matter that connect them.
—CBS News, 26 Jan. 2026
The Standard Model doesn’t include particles that could comprise dark matter, for instance.
—Quanta Magazine, 26 Jan. 2026
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Big Think, 29 Jan. 2026
Cosmic ray detectors hunt rare antideuterons as dark matter annihilation signatures—but galactic cosmic rays smashing into interstellar gas also produce them, creating background noise.
—Tejasri Gururaj, Interesting Engineering, 29 Jan. 2026
The latest map, published Monday in the journal Nature Astronomy, includes information on new galaxy clusters and the strands of dark matter that connect them.
—CBS News, 26 Jan. 2026
The Standard Model doesn’t include particles that could comprise dark matter, for instance.
—Quanta Magazine, 26 Jan. 2026
See All Example Sentences for dark matter
Cite this Entry
“Dark matter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dark%20matter. Accessed 4 Feb. 2026.
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