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
If dark energy were to remain at w = -1, that would be the equivalent of having a cosmological constant, leading to the heat death scenario outlined previously.
—
Ethan Siegel, Big Think, 3 Oct. 2025
This model aligns well with the new data and points to a negative underlying cosmological constant.
—Sujita Sinha, Interesting Engineering, 2 Oct. 2025
Both projects were organized to determine if the 68 percent of all mass and energy, collectively termed dark matter, originates from a pure cosmological constant.
—Andrew Paul, Popular Science, 1 Oct. 2025
However, in this model, there's another component: the cosmological constant.
—Paul Sutter, Space.com, 24 July 2025
See All Example Sentences for cosmological constant
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.
Ethan Siegel, Big Think, 3 Oct. 2025
This model aligns well with the new data and points to a negative underlying cosmological constant.
—Sujita Sinha, Interesting Engineering, 2 Oct. 2025
Both projects were organized to determine if the 68 percent of all mass and energy, collectively termed dark matter, originates from a pure cosmological constant.
—Andrew Paul, Popular Science, 1 Oct. 2025
However, in this model, there's another component: the cosmological constant.
—Paul Sutter, Space.com, 24 July 2025
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 31 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share