Definition

closed-circuit television (CCTV): television system used within a limited area such as a building for surveillance noun
  • "This exciting new product features closed-circuit surveillance video and a state of the art emergency alarm warning."
  • "This exciting new product includes closed-circuit surveillance video and an 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:

Pleasure

         

I enjoy doing my online English lessons. Only ten minutes daily are enough...Thank you!

Innovative

         

I love your innovative method which allows me to learn a new language and have fun at the same time!

Unique

         

Your method is unique! Your courses have helped me to progress and gain confidence during my travels.

Progress

         

Gymglish has allowed me to improve my English. A daily routine I wouldn't miss for anything in the world!

More testimonials.

Test your English with Gymglish today and get a free level assessment

Absolutely free - no strings attached.