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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Bringing these together could eventually help solve the mystery of dark matter.
—
Robert Lea, Space.com, 16 Dec. 2025
What is dark matter and what is antimatter?
—Dipangkar Dutta, The Conversation, 15 Dec. 2025
Such a discovery would rewrite physics textbooks, perhaps even explaining the mysterious dark matter that binds galaxies together.
—Mrigakshi Dixit, Interesting Engineering, 3 Dec. 2025
Researchers have long been trying to exploit this to reveal dark matter, looking at regions where dark matter is expected to be concentrated—like the center of the Milky Way—in search of the telltale gamma ray signals.
—Hannah Millington, MSNBC Newsweek, 25 Nov. 2025
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Robert Lea, Space.com, 16 Dec. 2025
What is dark matter and what is antimatter?
—Dipangkar Dutta, The Conversation, 15 Dec. 2025
Such a discovery would rewrite physics textbooks, perhaps even explaining the mysterious dark matter that binds galaxies together.
—Mrigakshi Dixit, Interesting Engineering, 3 Dec. 2025
Researchers have long been trying to exploit this to reveal dark matter, looking at regions where dark matter is expected to be concentrated—like the center of the Milky Way—in search of the telltale gamma ray signals.
—Hannah Millington, MSNBC Newsweek, 25 Nov. 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 23 Dec. 2025.
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