cosmological constant


Definition of cosmological constant

: 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 That means the usual EFT calculation of the cosmological constant is too naive. Quanta Magazine, 1 Mar. 2022 Physicists come by their funny way of tallying contributions to the Higgs mass and cosmological constant honestly. Quanta Magazine, 1 Mar. 2022 For decades, physicists assumed that the cosmological constant was exactly zero. Stephon Alexander, Wired, 31 Aug. 2021 And so physicists brought the cosmological constant back, but with a new value. Stephon Alexander, Wired, 31 Aug. 2021 Weinberg’s fascination with cosmology led him to ponder the infamous cosmological constant problem. Quanta Magazine, 12 Aug. 2021 Overall there is no evidence from our measurements that the standard cosmological model with lambda, the cosmological constant, is wrong. Kyle Dawson, Scientific American, 1 May 2021 In a way, reviving the cosmological constant made the predicament worse. Clara Moskowitz, Scientific American, 1 Feb. 2021 Now, physicists say, the unnaturalness of the Higgs makes the unnaturalness of the cosmological constant more significant. Quanta Magazine, 24 May 2013 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cosmological constant.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of cosmological constant

1928, in the meaning defined above

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Time Traveler for cosmological constant

Time Traveler

The first known use of cosmological constant was in 1928

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Dictionary Entries Near cosmological constant


cosmological constant

cosmological principle

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Cite this Entry

“Cosmological constant.” Dictionary, Merriam-Webster, Accessed 11 Aug. 2022.

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