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
Bernet says scientists could measure dark matter in the Milky Way’s disk.
—
Stephen Clark – Jun 6, ArsTechnica, 6 June 2025
And in the voids, there simply isn't enough density of dark matter, so nothing really lights up.
—Paul Sutter, Space.com, 6 June 2025
So, these direct dark matter detections will not succeed based on this study.
—Steven Strogatz, Quanta Magazine, 29 May 2025
This dwarf galaxy merged with the Milky Way around 10 billion years ago, added at least eight globular clusters and some 50 billion solar masses' worth of stars, gas and dark matter.
—Ron Estes, MSNBC Newsweek, 31 Mar. 2025
See All Example Sentences for dark matter
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Stephen Clark – Jun 6, ArsTechnica, 6 June 2025
And in the voids, there simply isn't enough density of dark matter, so nothing really lights up.
—Paul Sutter, Space.com, 6 June 2025
So, these direct dark matter detections will not succeed based on this study.
—Steven Strogatz, Quanta Magazine, 29 May 2025
This dwarf galaxy merged with the Milky Way around 10 billion years ago, added at least eight globular clusters and some 50 billion solar masses' worth of stars, gas and dark matter.
—Ron Estes, MSNBC Newsweek, 31 Mar. 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 12 Jun. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share