Definition of neocatastrophism in English:

neocatastrophism

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.

Pronunciation

neocatastrophism

/ˌniːə(ʊ)kəˈtastrəˌfɪz(ə)m/