BioScience Dictionary

 
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Found Catastrophism 1 time.

Displaying results 1 to 10.

1. Catastrophism
Once-popular belief that events in earth history had occurred in the past a sudden events and by processes unlike those operating today. Periods of catastrophic change were followed by long periods of little change. A subgroup, the Diluvialists, contended that Noah's Flood was the last of many floods which had occurred throughout earth history.