Definition of cataclysm noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈkætəklɪzəm//
; NAmE NAmE//ˈkætəklɪzəm//
(formal) Natural disasters
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a sudden disaster or a violent event that causes change, for example a flood or a war to survive the cataclysm of the Black Death See related entries: Natural disasters Word Originearly 17th cent. (originally denoting the biblical Flood described in Genesis): from French cataclysme, via Latin from Greek kataklusmos ‘deluge’, from kata- ‘down’ + kluzein ‘to wash’.
See the Oxford Advanced American Dictionary entry: cataclysm