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big crunch

noun

in astronomy, a hypothetical state of extremely high density and temperature into which a closed universe will recollapse in the distant future, a reversal of the big bang in which the current expansion stops, reverses, and results in all space and all matter collapsing together

Examples

The Big Crunch is thought to be the fate of the universe if the density of matter becomes sufficiently high.

Usage Note

science

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big crunch in Science
big crunch  
The convergence of all matter, energy, and space into a single, minute point. This convergence is hypothesized to be the final event in the universe in some cosmological theories. Compare big bang. See also closed universe.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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