circuit breaker

noun

: a switch that automatically interrupts the current of an overloaded electric circuit

Examples of circuit breaker in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
How to restart a nuclear reactor Alas, restarting a nuclear power plant doesn’t involve flipping a comically large circuit breaker. Umair Irfan, Vox, 7 Dec. 2018 Steen’s concerns came as the utility’s board in the same meeting also approved spending $190 million for three projects related to underground infrastructure, engineering plans and circuit breakers. Sara Dinatale, San Antonio Express-News, 2 Oct. 2024 If a circuit breaker has been tripped, contact an electrician to inspect them before turning them on. Julia Gomez, USA TODAY, 10 Oct. 2024 Around 40% of the company’s circuit breakers were installed between 1930 and 1960, according to the audit. Arpan Lobo, Detroit Free Press, 24 Sep. 2024 See all Example Sentences for circuit breaker 

Word History

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of circuit breaker was in 1872

Dictionary Entries Near circuit breaker

Cite this Entry

“Circuit breaker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/circuit%20breaker. Accessed 15 Dec. 2024.

Kids Definition

circuit breaker

noun
: a switch that automatically stops the flow of electric current in an overloaded circuit

More from Merriam-Webster on circuit breaker

Last Updated: - Updated example sentences
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