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cataclysm

[ kat-uh-kliz-uhm ]
/ ˈkæt əˌklɪz əm /
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noun

any violent upheaval, especially one of a social or political nature.
Physical Geography. a sudden and violent physical action producing changes in the earth's surface.
an extensive flood; deluge.

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Origin of cataclysm

1625–35; <Late Latin cataclysmos (Vulgate) <Greek kataklysmós flood (akin to kataklýzein to flood), equivalent to kata-cata- + klysmós a washing
1. See disaster.
cataclysm , catechism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for cataclysm

cataclysm
/ (ˈkætəˌklɪzəm) /

noun

a violent upheaval, esp of a political, military, or social nature
a disastrous flood; deluge
geology another name for catastrophe (def. 4)
cataclysmic or cataclysmal, adjectivecataclysmically, adverb
C17: via French from Latin, from Greek kataklusmos deluge, from katakluzein to flood, from kluzein to wash
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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