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.
Any sharp movement in stock price could trigger so-called circuit breakers that could pause trading.
From The Wall Street Journal ● Jun. 12, 2026
The exchange plans to add circuit breakers to halt trading if prices go up or down too much, “so we have more trading guardrails,” she adds.
From Barron's ● May 15, 2026
The Eaton catalog is unglamorous: switchgear, circuit breakers, power-distribution units.
From MarketWatch ● Apr. 30, 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
To avoid this danger fuses or automatic circuit breakers are employed.
From Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications by Hawkins, Nehemiah
