cosmological constant
noun
: a constant term used in the relativistic equations for gravity to represent a repulsive force which may account in part for the rate of expansion of the universe
Examples of cosmological constant in a Sentence
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Then there are scientists like George Efstathiou who claim there are mistakes in DESI data and there is no strong proof for dynamical dark energy over [a cosmological constant].
—
Ethan Siegel, Big Think, 29 Aug. 2025
However, in this model, there's another component: the cosmological constant.
—Paul Sutter, Space.com, 24 July 2025
The Lambda Cold Dark Matter model (ΛCDM) represents the cosmological constant, a term in Albert Einstein’s theory of general relativity that explains the acceleration of the expansion of the Universe.
—Madison Dapcevich, Discover Magazine, 18 July 2025
But in an ironic twist, the one thing the dark dimension hypothesis cannot explain is why the cosmological constant is so staggeringly small—a puzzling fact that essentially initiated this whole line of inquiry.
—Steve Nadis, WIRED, 25 Feb. 2024
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Ethan Siegel, Big Think, 29 Aug. 2025
However, in this model, there's another component: the cosmological constant.
—Paul Sutter, Space.com, 24 July 2025
The Lambda Cold Dark Matter model (ΛCDM) represents the cosmological constant, a term in Albert Einstein’s theory of general relativity that explains the acceleration of the expansion of the Universe.
—Madison Dapcevich, Discover Magazine, 18 July 2025
But in an ironic twist, the one thing the dark dimension hypothesis cannot explain is why the cosmological constant is so staggeringly small—a puzzling fact that essentially initiated this whole line of inquiry.
—Steve Nadis, WIRED, 25 Feb. 2024
See All Example Sentences for cosmological constant
Cite this Entry
“Cosmological constant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmological%20constant. Accessed 14 Sep. 2025.
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