American English

Definition of counterterrorism noun from the Oxford Advanced American Dictionary

 

counterterrorism

 noun
noun
NAmE//ˌkaʊntərˈtɛrəˌrɪzəm//
 
[uncountable]
 
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action taken to prevent the activities of political groups who use violence to try to achieve their aims
counterterrorist
 
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adjective
See the Oxford Advanced Learner's Dictionary entry: counterterrorism