English

Definition of counter-espionage noun from the Oxford Advanced Learner's Dictionary

 

counter-espionage

 noun
noun
BrE BrE//ˌkaʊntər ˈespiənɑːʒ//
 
; NAmE NAmE//ˌkaʊntər ˈespiənɑːʒ//
 
[uncountable]
 
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secret action taken by a country to prevent an enemy country from finding out its secrets
See the Oxford Advanced American Dictionary entry: counter-espionage