circuit breaker Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
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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   /ˈsɜː.kɪt ˌbreɪ.kər/ us   /ˈsɝː.kɪt ˌbreɪ.kɚ/
a safety device that stops the flow of current in an electrical circuit 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 safety device that stops the flow of current to an electrical system: I cut off all the circuit breakers in the house, but I could still hear a humming sound.
(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 internet access is out, it could be that a circuit breaker was tripped during a storm.
STOCK MARKET a rule that temporarily stops trade on a stock market or closes it when prices go down to a particular level too quickly: The New York Stock Exchange instituted circuit breakers to reduce volatility and promote investor confidence. 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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“circuit breaker” in Business English

Avoiding common errors with the word enough.
Avoiding common errors with the word enough.
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by Liz Walter Enough is a very common word, but it is easy to make mistakes with it. You need to be careful about its position in a sentence, and the prepositions or verb patterns that come after it. I’ll start with the position of enough in the sentence. When we use it with a noun,

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