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



BrE BrE//ˈkaʊntəmeʒə(r)//
; NAmE NAmE//ˈkaʊntərmeʒər//
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a course of action taken to protect against something that is considered bad or dangerous countermeasures to neutralize the threat of terrorism
See the Oxford Advanced American Dictionary entry: countermeasure