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English definition of “holocaust”

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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 holocaustthe 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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