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cosmological constant
noun
, Astronomy.
- a term introduced by Einstein into his field equations of general relativity to permit a stationary, nonexpanding universe: it has since been abandoned in most models of the universe.
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Word History and Origins
Origin of cosmological constant1
First recorded in 1925–30
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Example Sentences
The universe, it turns out, expands, and Einstein considered the cosmological constant his “biggest blunder.”
From The Daily Beast
But observations today suggest that, indeed, the cosmological constant is necessary.
From The Daily Beast
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