Word Study
catastrophism
CIDE DICTIONARY
catastrophism, 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 . [1913 Webster]
OXFORD DICTIONARY
catastrophism, n. Geol. the theory that changes in the earth's crust have occurred in sudden violent and unusual events.
Derivative
catastrophist n.
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