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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One of its missions is to map the distribution of dark matter in the universe.
—
Richard Green, The Conversation, 29 July 2025
Finally astronomers want to use the Rubin Observatory to understand dark matter, which has mass but doesn’t release or reflect light.
—Stephanie Pappas, Scientific American, 16 June 2025
To decode the mysterious forces of dark matter and dark energy.
—Bernard Marr, Forbes.com, 24 July 2025
Despite the size, the images could be the key to cracking the case of what dark matter truly is.
—Kenna Hughes-Castleberry, Space.com, 22 July 2025
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Richard Green, The Conversation, 29 July 2025
Finally astronomers want to use the Rubin Observatory to understand dark matter, which has mass but doesn’t release or reflect light.
—Stephanie Pappas, Scientific American, 16 June 2025
To decode the mysterious forces of dark matter and dark energy.
—Bernard Marr, Forbes.com, 24 July 2025
Despite the size, the images could be the key to cracking the case of what dark matter truly is.
—Kenna Hughes-Castleberry, Space.com, 22 July 2025
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 20 Aug. 2025.
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