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CCTV

 
 
/ˌsiː.siː.tiːˈviː/

Definition

abbreviation for closed-circuit television: a system that sends television signals to a limited number of screens, and is often used in shops and public places to prevent crime: CCTV camerasTelevision
(Definition of CCTV from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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