catastrophism
/kəˈtæstrəfɪzəm/noun
mass noun
- Geology the theory that changes in the earth's crust during geological history have resulted chiefly from sudden violent and unusual events.【地质】灾变说（认为地质史上地壳变化主要由突发、剧烈和反常的事件所引起）。常与UNIFORMITARIANISM相对。
派生词