circuit breaker
Definition of circuit breaker
: a switch that automatically interrupts the current of an overloaded electric circuit
Indulge Your Inner Word Nerd
First Known Use of circuit breaker
1872
CIRCUIT BREAKER Defined for English Language Learners
circuit breaker
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
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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