CLOSED CIRCUIT TELEVISION
closed circuit television: translation
closed circuit television ˌclosed ˌcircuit ˈtelevision abbreviation CCTV noun [countable, uncountable]
a system in which cameras send pictures to television sets that is used in many buildings to prevent crime:
• The offices are monitored via closed circuit television.
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closed circuit television UK US noun [U] (ABBREVIATION CCTV)
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The incident was captured on closed circuit television.
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closed circuit television cameras/system