from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A model of the future of the universe in which it stops expanding and ultimately collapses on itself due to the force of gravity of its constituent parts.
  • n. The point at which such a collapse occurs.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A singularity at the centre of a black hole, or the final result of the Big Crunch


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  • One possible scenario for the ultimate fate of the universe, in which the metric expansion of space eventually reverses and the universe recollapses, ultimately ending as a black hole singularity. (Wikipedia)

    May 22, 2008