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 At the same time, the telescope is expected to yield new insights into the universe’s unseen elements, such as dark matter and dark energy. Dan Falk, Smithsonian Magazine, 20 June 2024 Researchers typically plot out the story of galaxy formation using simulations, aiming to model the presence of features like stars and dark matter and seeing how those interact. Georgina Torbet, Ars Technica, 10 June 2024 In just under four hours, Tyson, who narrates the audiobook edition, looks to simplify the most complicated space science concepts like black holes, dark matter, quarks, and everything else in between. Shannon Carlin, TIME, 21 June 2024 Studying this distribution of galaxies can provide clues about the abundance and distribution of dark matter—an unknown substance that holds galaxies and galaxy clusters together—which, along with gravity, has shaped the evolution of the universe. Dan Falk, Smithsonian Magazine, 20 June 2024 See all Example Sentences for dark matter 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'dark matter.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 26 Jul. 2024.

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