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

Recent Examples on the Web

In the paper bag, there’s a dark matter manhole that leads to Antaan’s (Paul Ben-Victor) alien world. — Ben Travers, IndieWire, 27 Sep. 2026

Many models of dark matter, or other hypothetical physics, call for slightly more or slightly less radiation than what’s expected in standard cosmology. — Cara Giovanetti, The Conversation, 25 Sep. 2026

Bulk of the matter in the universe, 86 percent is dark matter. — David Brooks, The Atlantic, 20 Sep. 2026

The still unanswered question has led to ever more sensitive detector technology and a deeper understanding of what dark matter isn’t. — Jeanna Bryner, Scientific American, 15 Sep. 2026

Word History

First Known Use

1933, in the meaning defined above

Rhymes for dark matter

• backscatter
• antimatter
• atter
• batter
• blatter
• catarrh
• chatter
• clatter
• fatter
• flatter
• hatter
• latter