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
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Observations in the late 1990s revealed that the rate of expansion of the universe has been accelerating since the Big Bang some 13.8 billion years ago, due to the influence of dark energy. Joseph Epstein, Newsweek, 10 Dec. 2024 Who said what Cosmologists since 1998 have theorized that a mysterious invisible force dubbed dark energy was pushing the universe apart at an ever-faster rate. Peter Weber, theweek, 20 Nov. 2024 Meanwhile, dark energy is a mysterious force thought to play a role in the accelerating expansion of the universe. Ashley Strickland, CNN, 23 Oct. 2024 This missing something would be the first new ingredient of the cosmos to be discovered since dark energy. Liz Kruesi, WIRED, 8 Sep. 2024 See all Example Sentences for dark energy 

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 30 Dec. 2024.

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