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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Scientists conduct a variety of experiments, such as searching for dark matter and exploring the effects of space radiation and microgravity.
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Rodney Ho, AJC.com, 11 Feb. 2026
Boyle’s hypothesis also predicts that dark matter could be explained by a particular kind of neutrino.
—Sarah Scoles, Scientific American, 10 Feb. 2026
In this dark matter, noncoding DNA is transcribed into noncoding RNA.
—Marlene Belfort, The Conversation, 10 Feb. 2026
That discovery was crucial in giving researchers an understanding of less-visible matter in the cosmos, known now as dark matter and dark energy.
—Bob Goldsborough, Chicago Tribune, 7 Feb. 2026
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Rodney Ho, AJC.com, 11 Feb. 2026
Boyle’s hypothesis also predicts that dark matter could be explained by a particular kind of neutrino.
—Sarah Scoles, Scientific American, 10 Feb. 2026
In this dark matter, noncoding DNA is transcribed into noncoding RNA.
—Marlene Belfort, The Conversation, 10 Feb. 2026
That discovery was crucial in giving researchers an understanding of less-visible matter in the cosmos, known now as dark matter and dark energy.
—Bob Goldsborough, Chicago Tribune, 7 Feb. 2026
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 16 Feb. 2026.
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