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

Recent Examples on the Web The researchers showed that if the amount of matter is negligible compared to the amount of dark energy, then the singularity can be eliminated. Steve Nadis, Quanta Magazine, 31 May 2024 Scientists may have discovered a major flaw in their understanding of dark energy, a mysterious cosmic force. Eric Lipton, New York Times, 28 May 2024 Aside from taking mesmerizing images of galaxies and nebulas, the Hubble Space Telescope aided astrophysicists in understanding atmospheric compositions of planets orbiting other stars and finding dark energy. Elizabeth Gamillo, Discover Magazine, 28 May 2024 After two decades of work, the device will soon be packed up and transported to a mountaintop in Chile to help researchers better understand dark matter, dark energy and other mysteries of the universe. Ethan Baron, The Mercury News, 22 May 2024 See all Example Sentences for dark energy 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'dark energy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1998, in the meaning defined above

Time Traveler
The first known use of dark energy was in 1998

Dictionary Entries Near dark energy

Cite this Entry

“Dark energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dark%20energy. Accessed 8 Jun. 2024.

Last Updated: - Updated example sentences
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