a system of televising by cable to designated viewing sets, as within a factory for monitoring production operations, in a theater for viewing a special event taking place elsewhere, or in an office building as an aid to maintaining security.
ELEMENTARY SCHOOL PUNCTUATION QUIZ
Punctuation marks help make writing easy to read and understand. Some of the most important ones are the period (.), comma (,), question mark (?), and exclamation point (!). How well do you know how to use them? Find out in this quiz!
Question 1 of 10
Which punctuation mark is best for this sentence? "Can I watch a movie __"
Origin of closed-circuit television
First recorded in 1945–50
Words nearby closed-circuit television
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for closed-circuit television
a television system in which signals are transmitted from a television camera to the receivers by cables or telephone links forming a closed circuit, as used in security systems, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012