dark energy
noun
: a hypothetical form of energy that produces a force that opposes gravity and is thought to be the cause of the accelerating expansion of the universe
Examples of dark energy in a Sentence
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Rubin will look for undiscovered asteroids (including potentially hazardous ones heading toward Earth), unimaginably powerful cosmic explosions, and clues about the shadowy dark energy and dark matter that shape the universe.
—
Clara Moskowitz,
Scientific American,
1 July 2026
Researchers hope the effort may yield clues about dark matter as well as an equally puzzling force known as dark energy.
—
ABC News,
30 June 2026
The 10-year survey will also help scientists measure dark energy, a separate, invisible phenomenon that is causing the universe to expand at an accelerating rate.
—
Miriam Waldvogel,
Washington Post,
30 June 2026
Understanding dark matter and dark energy can give scientists major clues on how the universe evolved after the Big Bang.
—
Ameya Paleja,
Interesting Engineering,
29 June 2026
See All Example Sentences for dark energy
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Clara Moskowitz,
Scientific American,
1 July 2026
Researchers hope the effort may yield clues about dark matter as well as an equally puzzling force known as dark energy.
—
ABC News,
30 June 2026
The 10-year survey will also help scientists measure dark energy, a separate, invisible phenomenon that is causing the universe to expand at an accelerating rate.
—
Miriam Waldvogel,
Washington Post,
30 June 2026
Understanding dark matter and dark energy can give scientists major clues on how the universe evolved after the Big Bang.
—
Ameya Paleja,
Interesting Engineering,
29 June 2026
See All Example Sentences for dark energy
Cite this Entry
“Dark energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dark%20energy. Accessed 6 Jul. 2026.
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