Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
surveillance system | Yes | No | No | No |
closed-circuit television | Yes | No | No | No |
surveillance system (noun) | closed-circuit television (noun) |
---|---|
a closed-circuit television system used to maintain close observation of a person or group | a television system that is not used for broadcasting but is connected by cables to designated monitors (as in a factory or theater) |