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

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.”

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

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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.

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Chernichuk said that water cooling the facility's spent nuclear fuel storage pools was on a closed circuit and had no direct contact with water coming from the Kakhovka Reservoir.

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At 4.17am on Feb. 6, the snow-covered ground around the Trend Garden began shaking violently, according to footage captured by closed circuit television.

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