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English definition of “holocaust”

holocaust

noun [C]  /ˈhɑl·əˌkɔst, ˈhoʊ·lə-, -ˌkɑst/ us  
a large amount of destruction, esp. by fire or heat, or the killing of large numbers of people: a nuclear holocaust the Holocaust The Holocaust was the systematic murder of many people, esp. Jews, by the Nazis during World War II.
(Definition of holocaust from the Cambridge Academic Content Dictionary © Cambridge University Press)
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