See Also: catastrophism(dictionary)

catastrophism (iou)



catastrophism noun. M19.
[from CATASTROPHE noun + -ISM.]
Belief in the occurrence of catastrophes; esp. the theory that geological or biological changes have occurred in sudden violent and unusual events (cf. UNIFORMITARIANISM).
catastrophist noun & adjective (a) noun a person who holds such a belief or theory; (b) adjective of or pertaining to catastrophism or catastrophists: M19.