- a television system in which signals are transmitted from a television camera to the receivers by cables or telephone links forming a closed circuit, as used in security systems, etc
WordReference Random House Learner's Dictionary of American English © 2026
closed-cir•cuit tel•e•vi•sion /ˈklɔʊzd ˌsɜrkɪt ˈtɛləˌvɪʒən/USA pronunciation n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- Radio and Televisiona system of televising by cable to designated viewing sets.
closed′-circuit tel′evision,
- Radio and Televisiona system of televising by cable to designated viewing sets, as within a factory for monitoring production operations, in a theater for viewing a special event taking place elsewhere, or in an office building as an aid to maintaining security.
- 1945–50
Collins Concise English Dictionary © HarperCollins Publishers::
closed-circuit television n
'closed-circuit television' also found in these entries (note: many are not synonyms or translations):