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
The company has current capacity to build 5,000 circuit breakers in-house running under its current one shift, said David Artuso, Atom Power director of supply.
—
Charlotte Observer, 11 Mar. 2026
One of his colleagues sitting in the passenger seat also had his hand ready to hit the circuit breaker at all times in case something went wrong.
—Mack Degeurin, Popular Science, 11 Mar. 2026
South Korea’s Kospi, where extremely volatile trading set off two circuit breakers in the past week, including Monday, rose more than 5% Tuesday.
—ABC News, 10 Mar. 2026
Anadolu | Anadolu | Getty Images South Korea’s Kospi triggered its second circuit breaker in four sessions on Monday, leading a broader regional sell-off as oil prices neared $120 per barrel for the first time since 2022.
—Lim Hui Jie, CNBC, 8 Mar. 2026
See All Example Sentences for circuit breaker
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.
Charlotte Observer, 11 Mar. 2026
One of his colleagues sitting in the passenger seat also had his hand ready to hit the circuit breaker at all times in case something went wrong.
—Mack Degeurin, Popular Science, 11 Mar. 2026
South Korea’s Kospi, where extremely volatile trading set off two circuit breakers in the past week, including Monday, rose more than 5% Tuesday.
—ABC News, 10 Mar. 2026
Anadolu | Anadolu | Getty Images South Korea’s Kospi triggered its second circuit breaker in four sessions on Monday, leading a broader regional sell-off as oil prices neared $120 per barrel for the first time since 2022.
—Lim Hui Jie, CNBC, 8 Mar. 2026
See All Example Sentences for circuit breaker
Cite this Entry
“Circuit breaker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/circuit%20breaker. Accessed 15 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
