ˌclosed circuit ˈtelevision BrE AmE noun [uncountable]
( abbreviation CCTV ) a system of cameras placed in public buildings or in the street, used to help prevent crime
ˌclosed circuit ˈtelevision BrE AmE noun [uncountable]
( abbreviation CCTV ) a system of cameras placed in public buildings or in the street, used to help prevent crime
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012