Circuit Breaker (noun) Definition, Meaning & Examples

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noun
  1. a device for interrupting an electric circuit to prevent excessive current, as that caused by a short circuit, from damaging the apparatus in the circuit or from causing a fire.
  2. a temporary halt in trading automatically imposed when stock prices reach a predetermined level, as to check panic selling.
  3. a lockdown or set of tight restrictions imposed for a fixed, usually short period to halt the spread of a highly transmissible infection (often used attributively): Circuit breakers only succeed if additional measures are taken, such as contact tracing and increased testing.
  4. an activity serving to relieve or distract from stresses that might otherwise overwhelm: Sometimes a day out of the office is the best circuit breaker after a tense week.
  5. any property-tax relief measure that reduces or limits property taxes for certain eligible taxpayers, as those with low income or the elderly.
noun
  1. a device that under abnormal conditions, such as a short circuit, interrupts the flow of current in an electrical circuit
    Circuit Breaker (noun) Definition, Meaning & Examples

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