Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “closed-circuit television”

closed-circuit television

noun [C, U]    
a system of hidden cameras that take pictures of people in public places , used to help prevent crime Spying and espionageTelevision
(Definition of closed-circuit television noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “closed-circuit television” in other dictionaries

Translations of “closed-circuit television”

Word of the Day


a skilled and trained cook who works in a hotel or restaurant, especially the most important cook

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More