from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The process of deformation by which the major features of the earth's crust, including continents, mountains, ocean beds, folds, and faults, are formed.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The deformation of the Earth's crust to form the continents, mountains and other large features
from The Century Dictionary and Cyclopedia
- n. In geology, a general term suggested by J. W. Powell for all the varieties of deformation of the earth's crust.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the process of deformation that produces continents and ocean basins in the earth's crust
Possibly diastrophism broke the original continent into small islands which would not support so large an animal population; or the drying-out may have progressed still further.