circuit breaker
noun
a device for interrupting an electric circuit to prevent excessive current, as that caused by a short circuit, from damaging the apparatus in the circuit or from causing a fire.
circuit breakers
-
pluralof circuit breaker.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Overnight, South Korea’s Kospi index, dominated by two of the world’s biggest chip makers, tumbled the most in more than three months, with circuit breakers halting trading late in the session.
From Barron's ● Jun. 23, 2026
The Eaton catalog is unglamorous: switchgear, circuit breakers, power-distribution units.
From MarketWatch ● Apr. 30, 2026
“There’s a lot of benefit to having circuit breakers, just like in traditional finance.”
From The Wall Street Journal ● Apr. 29, 2026
When the extension cords running to the back popped the circuit breakers, repeatedly, he tried to curtail electricity usage in the camp.
From Slate ● Mar. 25, 2026
The wall speaker and circuit had become the vocal cords and mouth, the wiring the spinal cord and nerves, the hatches and relays and circuit breakers the muscles.
From Mr. Spaceship by Philip K. Dick
