Definition
closed-circuit television (CCTV): television system used within a limited area such as a building for surveillance
- "This exciting new product includes closed-circuit surveillance video and an emergency alarm warning."
- "This exciting new product features closed-circuit surveillance video and a state of the art emergency alarm warning."
Still unsure of the best way to use 'Closed-circuit'? Improve your English thanks to our online English lessons. We offer a free test as well as a free level assessment!
What our users say:
Test your English with Gymglish today and get a free level assessment
Absolutely free - no strings attached.