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closed-circuit television Line breaks: closed-circuit tele|vi¦sion
Pronunciation: /kləʊzdˌsəːkɪt ˈtɛlɪvɪʒ(ə)n/
(abbreviation: CCTV)

Definition of closed-circuit television in English:


[mass noun]
A television system in which video signals are transmitted from one or more cameras by cable to a set of monitors, used especially for security purposes.
Example sentences
  • All three were recorded on video tape by closed-circuit television systems.
  • The three-way system is linked to closed-circuit television camera operators and the police to keep tabs on offenders' movements.
  • She said the crocodile was being monitored by closed-circuit television cameras and that footage would be displayed on television monitors so visitors to the farm could see what it was doing.
Definition of closed-circuit television in:
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