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Definition of Catastrophism
1. 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 uniformism.
Definition of Catastrophism
1. Noun. (geology) The doctrine that sudden catastrophes, rather than continuous change, cause the main features of the Earth's crust ¹
¹ Source: wiktionary.com
Definition of Catastrophism
1. [n -S]