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countermeasure

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countermeasure/ˈkaʊntɚˌmɛʒɚ/noun
pluralcountermeasures
countermeasure
/ˈkaʊntɚˌmɛʒɚ/
noun
pluralcountermeasures
Learner's definition of COUNTERMEASURE  
[count]
: an action or device that is intended to stop or prevent something bad or dangerous — usually plural
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