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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But no one knows what the half-life of putative particles of dark matter would be.
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Lyndie Chiou, Scientific American, 30 Apr. 2025
But the bigger problem now is the big bang of agency memos, bulletins, circulars, and other forms of regulatory dark matter—edicts that bypass traditional public-notice rulemaking procedures, allegedly lack the force of law, yet few are brave enough to ignore.
—Clyde Wayne Crews Jr., Forbes.com, 28 Apr. 2025
Featuring a 130-foot-wide (39.3m) mirror, the ELT will study the universe in visible light to provide a more detailed view of potentially habitable exoplanets, the formation of the first galaxies, supermassive black holes, and the nature of dark matter and dark energy.
—Samantha Mathewson, Space.com, 23 Apr. 2025
The telescope can map out the location of otherwise-invisible dark matter by looking for signs of gravitational lensing—the phenomenon where the gravity from massive objects distorts the light from galaxies behind them.
—Ross Rosenfeld, MSNBC Newsweek, 22 Apr. 2025
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Lyndie Chiou, Scientific American, 30 Apr. 2025
But the bigger problem now is the big bang of agency memos, bulletins, circulars, and other forms of regulatory dark matter—edicts that bypass traditional public-notice rulemaking procedures, allegedly lack the force of law, yet few are brave enough to ignore.
—Clyde Wayne Crews Jr., Forbes.com, 28 Apr. 2025
Featuring a 130-foot-wide (39.3m) mirror, the ELT will study the universe in visible light to provide a more detailed view of potentially habitable exoplanets, the formation of the first galaxies, supermassive black holes, and the nature of dark matter and dark energy.
—Samantha Mathewson, Space.com, 23 Apr. 2025
The telescope can map out the location of otherwise-invisible dark matter by looking for signs of gravitational lensing—the phenomenon where the gravity from massive objects distorts the light from galaxies behind them.
—Ross Rosenfeld, MSNBC Newsweek, 22 Apr. 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 11 May. 2025.
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