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

     

    blowback

     noun
    noun
    BrE BrE//ˈbləʊbæk//
     
    ; NAmE NAmE//ˈbloʊbæk//
     
    [uncountable, countable]
     
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  1. 1(specialist) a process in which gases expand or travel in a direction that is opposite to the usual one blowback gas Blowback may be caused by a defective mechanism.
  2. 2(especially North American English) the results of a political action or situation that are not what was intended or wanted The policy has led to blowback. The war created a ferocious blowback.
See the Oxford Advanced American Dictionary entry: blowback