One of three possible end points of the expanding universe according to the Big Bang theory, when the expansion of space-time initiated at the Big Bang decelerates to a stop and then contracts, causing the universe to collapse.
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.
Origin of big-crunch
- On the model of Big Bang
From American Heritage Dictionary of the English Language, 5th Edition