Definition of circuit breaker
:a switch that automatically interrupts the current of an overloaded electric circuit
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circuit breaker
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First Known Use of circuit breaker
1872
CIRCUIT BREAKER Defined for English Language Learners
circuit breaker
noun
Definition of circuit breaker for English Language Learners
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: a switch that automatically stops the flow of electricity to a place or device if the current becomes too strong or another dangerous problem occurs
CIRCUIT BREAKER Defined for Kids
circuit breaker
noun
Definition of circuit breaker for Students
:a switch that automatically stops the flow of electric current if a circuit becomes overloaded
Learn More about circuit breaker
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See words that rhyme with circuit breaker Britannica.com: Encyclopedia article about circuit breaker
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