circuit breaker Meaning in the Cambridge English Dictionary
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Meaning of “circuit breaker” in the English Dictionary

"circuit breaker" in British English

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circuit breakernoun [C]

uk   us  
a ​safetydevice that ​stops the ​flow of ​current in an ​electricalcircuit when there is a ​fault
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(Definition of circuit breaker from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"circuit breaker" in American English

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circuit breakernoun [C]

 us   /ˈsɜr·kət ˌbreɪ·kər/
a ​safetydevice that ​stops the ​flow of ​current to an ​electricalsystem: I ​cut off all the circuit breakers in the ​house, but I could still ​hear a ​hummingsound.
(Definition of circuit breaker from the Cambridge Academic Content Dictionary © Cambridge University Press)

"circuit breaker" in Business English

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circuit breakernoun [C]

uk   us  
a ​piece of ​equipment that ​stops the ​flow of an electric ​current, used to prevent ​damage to the ​wires and ​equipment that are ​connected to it: If your ​internetaccess is out, it could be that a ​circuit breaker was tripped during a storm.
STOCK MARKET a ​rule that temporarily ​stopstrade on a ​stockmarket or ​closes it when ​prices go down to a particular ​level too quickly: The New York Stock Exchange ​institutedcircuit breakers to ​reducevolatility and ​promoteinvestorconfidence. There are three circuit-breaker thresholds—10%, 20%, and 30%— ​calculated at the beginning of each ​quarter.
(Definition of circuit breaker from the Cambridge Business English Dictionary © Cambridge University Press)
Translations of “circuit breaker”
in Chinese (Simplified) (电流)断路器…
in Chinese (Traditional) (電流)斷路器…
What is the pronunciation of circuit breaker?
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