closed-circuit television
noun
a 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.
Origin of closed-circuit television
First recorded in 1945–50
Words nearby closed-circuit television
closed traverse,
closed union,
closed universe,
closed-angle glaucoma,
closed-captioned,
closed-circuit television,
closed-door,
closed-end,
closed-end investment company,
closed-loop,
closed-minded
British Dictionary definitions for closed-circuit television
closed-circuit television
noun
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