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

     

    containment

     noun
    noun
    BrE BrE//kənˈteɪnmənt//
     
    ; NAmE NAmE//kənˈteɪnmənt//
     
    [uncountable](formal)
     
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  1. 1the act of keeping something under control so that it cannot spread in a harmful way the containment of the epidemic
  2. 2the act of keeping another country’s power within limits so that it does not become too powerful a policy of containment
See the Oxford Advanced American Dictionary entry: containment