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
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.
Voyer points out how this shift surfaced on the Fall/Winter 2026-2027 runways, where brands like Gucci (bodycon dresses and stilettos) and 7 For All Mankind (hi-low hemlines and satin minidresses), embraced a more undone, after-dark energy. Angela Velasquez, Footwear News, 3 Apr. 2026 In the field of cosmology, approximating dark energy with a cosmological constant has been remarkably successful since its presence was first revealed in the late 1990s. Big Think, 1 Apr. 2026 If the universe is filled with enough dark energy — or what in Einstein’s day was called a cosmological constant — then over time, its push should cause space to expand. Shalma Wegsman, Quanta Magazine, 30 Mar. 2026 Scientific inquiry could be pathway to the divine Adam Hincks, a Jesuit priest who teaches at the University of Toronto and serves as an adjunct scholar at the Vatican Observatory, believes that for some, contemplating dark matter and dark energy could elevate their minds to God. Deepa Bharath, Los Angeles Times, 30 Mar. 2026 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

Cite this Entry

“Dark energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dark%20energy. Accessed 6 Apr. 2026.

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