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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In this model, there are two components that contribute to dark energy.
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Paul Sutter, Space.com, 24 July 2025
To decode the mysterious forces of dark matter and dark energy.
—Bernard Marr, Forbes.com, 24 July 2025
The latter two, dark matter and dark energy, are largely undescribed.
—Madison Dapcevich, Discover Magazine, 18 July 2025
Roman is designed to answer deep and thrilling questions, regarding the habitability of exoplanets—or planets orbiting other stars—and the nature of dark energy, which is thought to make up 68% of the universe and holds the key to its accelerating expansion.
—Jeffrey Kluger, Time, 6 May 2025
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Paul Sutter, Space.com, 24 July 2025
To decode the mysterious forces of dark matter and dark energy.
—Bernard Marr, Forbes.com, 24 July 2025
The latter two, dark matter and dark energy, are largely undescribed.
—Madison Dapcevich, Discover Magazine, 18 July 2025
Roman is designed to answer deep and thrilling questions, regarding the habitability of exoplanets—or planets orbiting other stars—and the nature of dark energy, which is thought to make up 68% of the universe and holds the key to its accelerating expansion.
—Jeffrey Kluger, Time, 6 May 2025
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 5 Aug. 2025.
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