big crunch

noun, often capitalized B&C

Definition of big crunch

: a hypothetical cosmological event in which all matter in the universe collapses to a singularity and which is posited to be a possible fate of the universe if the density of matter in it is sufficiently high — compare big bang, big rip

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

First Known Use of big crunch

1977

in the meaning defined above

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