Focus on the pronunciation of circuit breaker
English definition of “circuit breaker”
› 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.