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

     

    holocaust

     noun
    noun
    BrE BrE//ˈhɒləkɔːst//
     
    ; NAmE NAmE//ˈhɑːləkɔːst//
     
    , NAmE//ˈhoʊləkɔːst//
     
    Conflict
     
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  1. 1[countable] a situation in which many things are destroyed and many people killed, especially because of a war or a fire a nuclear holocaust See related entries: Conflict
  2. 2the Holocaust [singular] the killing of millions of Jews by the Nazis in the 1930s and 1940s
  3. Word Origin Middle English: from Old French holocauste, via late Latin from Greek holokauston, from holos ‘whole’ + kaustos ‘burnt’ (from kaiein ‘burn’).
See the Oxford Advanced American Dictionary entry: holocaust