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catastrophism definition

ca·tas·tro·phism (kə tas′trə fiz′əm)

noun

  1. the former theory that geologic changes are caused in general by sudden upheavals rather than gradually
  2. an outlook envisioning imminent catastrophe

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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