LEARNit Dictionary
catastrophism
noun
/kəˈtæstrəfɪzəm/
UK
/kəˈtæstrəfɪzəm/
US
1
the theory that changes to the earth’s crust(= surface) in the history of the planet were caused by sudden violent and unusual events
نظریه فاجعوی, کاتاستروفیسم