Meaning of the word "closed-circuit television" in English

What does "closed-circuit television" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

closed-circuit television

US /ˌkloʊzd ˌsɝː.kɪt ˈtel.ə.vɪʒ.ən/
UK /ˌkloʊzd ˌsɝː.kɪt ˈtel.ə.vɪʒ.ən/
"closed-circuit television" picture

Noun

1.

a television system in which the signal is not publicly broadcast but is distributed to a limited number of receivers, used for surveillance and security purposes

Example:
The bank uses closed-circuit television to monitor its premises 24/7.
Security cameras are part of a larger closed-circuit television system.
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