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
Recent Examples on the Web
But the combination of cosmological constant and baby universes can match the data better than a scenario where baby universes don’t exist, and the scenario involving both a small cosmological constant and merging can relieve a big chunk of the Hubble tension.
—
Discover Magazine, 25 Sep. 2024
One is that dark energy is a cosmological constant, an unchanging property of space, which would mean that the universe will continue to expand indefinitely, sweeping far-off objects forever beyond our local point of view.
—Stephanie Pappas, Scientific American, 8 Nov. 2023
The masses of the postulated dark gravitons are, roughly speaking, an integer times a constant, M, whose value is tied to the cosmological constant.
—Steve Nadis, WIRED, 25 Feb. 2024
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 
These examples are automatically compiled from online sources to
illustrate current usage. Opinions expressed in the examples do not represent those of
Merriam-Webster or its editors.
Send us feedback
about these examples.
Discover Magazine, 25 Sep. 2024
One is that dark energy is a cosmological constant, an unchanging property of space, which would mean that the universe will continue to expand indefinitely, sweeping far-off objects forever beyond our local point of view.
—Stephanie Pappas, Scientific American, 8 Nov. 2023
The masses of the postulated dark gravitons are, roughly speaking, an integer times a constant, M, whose value is tied to the cosmological constant.
—Steve Nadis, WIRED, 25 Feb. 2024
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
Dictionary Entries Near cosmological constant
Cite this Entry
“Cosmological constant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmological%20constant. Accessed 16 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share