closed-circuit television (B1)
noun phrase
Pronunciation: /kloʊzd ˈsɜːrkɪt ˈtɛlɪvɪʒən/
Definition
A system of cameras and monitors used to transmit video signals to a specific, limited set of receivers, often used for security and surveillance purposes.
Examples
The bank used closed-circuit television to keep an eye on the vault and prevent robberies.
The police department installed closed-circuit television cameras in the city center to reduce crime and improve public safety.
The store owner used closed-circuit television to monitor the shop floor and prevent shoplifting.
How to Use closed-circuit television
- install closed-circuit television (verb phrase)
- to set up a closed-circuit television system — "The company installed closed-circuit television cameras in the parking lot."
- use closed-circuit television (verb phrase)
- to use a closed-circuit television system for a specific purpose — "The police department uses closed-circuit television to monitor the city center."
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