noun
[ U ] ( abbr. CCTV ) a television system that works within a limited area, for example a public building, to protect it from crime
noun
[ U ] ( abbr. CCTV ) a television system that works within a limited area, for example a public building, to protect it from crime
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005