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English definition of “cataclysm”

cataclysm

noun [C]  /ˈkæt̬·əˌklɪz·əm/ us  
cataclysmic
adjective  /ˌkæt̬·əˈklɪz·mɪk/ us  
The city has just experienced a cataclysmic flood.
(Definition of cataclysm from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of cataclysm?
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