neocatastrophism
/ˌniːə(ʊ)kəˈtastrəˌfɪz(ə)m/noun
The view or theory, similar in some respects to the earlier ideas of catastrophism, that geological features and the evolution and extinction of living organisms have been influenced to a great extent by sudden and powerful natural events occurring at intervals, rather than having been mainly the result of slow continuous processes; a modified form of catastrophism.
Origin
1930s. From neo- + catastrophism, after Russian neokatastrofizm.
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