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 Because dark matter bends and warps light, a phenomenon called gravitational lensing, astronomers will study light in Euclid’s images to get a better idea of how dark matter is distributed in space. Christian Thorsberg, Smithsonian Magazine, 24 May 2024 After two decades of work, the device will soon be packed up and transported to a mountaintop in Chile to help researchers better understand dark matter, dark energy and other mysteries of the universe. Ethan Baron, The Mercury News, 22 May 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 2 Jun. 2024.

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