closed circuit

noun

Electricity.

1. a circuit without interruption, providing a continuous path through which a current can flow.

closed circuit

noun

1. a complete electrical circuit through which current can flow when a voltage is applied Compare open circuit

closed circuit

1. An electric circuit through which current can flow in an uninterrupted path.

2. Compare open circuit

3. A television system in which the signal is usually sent by cable to a limited number of receivers.

Other Word Forms

• closed-circuit adjective

Word History and Origins

Origin of closed circuit¹

First recorded in 1820–30

Example Sentences

I’m in a little bit of a closed circuit.

Read more on The Wall Street Journal

Perhaps that reinforces the author’s premise about “edited” memories: My recollection is that the fight, like the first, was available only on closed circuit—at select theaters and arenas, not family televisions.

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Arum, who had done this for years and thought even a $10 closed-circuit ticket would be a stretch, remembers laughing and saying “nobody would ever pay $25 for a closed circuit telecast.”

Read more on Los Angeles Times

That is, the electricity that drives electromagnetism has no resistance, and constantly runs in a closed circuit without the supply of electricity.

Read more on Science Daily

This year’s proposal is lumped into a budget item that would also fund closed circuit television surveillance and increase the city’s number of automated license plate readers.

Read more on Seattle Times