from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Geology The doctrine that major changes in the earth's crust result from catastrophes rather than evolutionary processes.
- n. The prediction or expectation of cataclysmic upheaval, as in political or social developments.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The doctrine that sudden catastrophes, rather than continuous change, cause the main features of the Earth's crust
from the GNU version of the Collaborative International Dictionary of English
- n. The doctrine that the geological changes in the earth's crust have been caused by the sudden action of violent physical causes; -- opposed to the doctrine of
from The Century Dictionary and Cyclopedia
- n. The theoretical view of geological events which has as its essential basis the idea of a succession of catastrophes: the opposite of uniformitarianism. See catastrophe, 3, and cataclysm, 2.
Sorry, no etymologies found.