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

For decades, scientists have searched for a fifth fundamental force of nature that can explain mysterious aspects of the universe such as dark energy and dark matter. —Robert Lea, Space.com, 15 June 2026

With this observatory, NASA hopes to unravel the secrets of dark matter and dark energy and discover thousands of planets beyond our solar system. —Denise Chow, NBC news, 15 June 2026

As niche and nerdy as the premise sounds, audiences gradually allowed Jim Parsons and Johnny Galecki to teach them about dark matter and the inner workings of Star Trek. —Lincee Ray, Entertainment Weekly, 15 June 2026

The researchers searched for ultralight dark matter, a hypothetical form of matter that could subtly alter the energy levels inside atomic nuclei. —Rupendra Brahambhatt, Interesting Engineering, 13 June 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