Definition of circuit breakers:
(n) :
(electricity) An electrical switch capable of opening and closing an electrical circuit in all operating conditions, including fault situations.
(n) :
(electricity) More specifically, a circuit breaker that automatically breaks overcurrent conditions; a type of overcurrent protective device.
(n) :
(chiefly Singapore) Quarantine measures intended to prevent spread of pandemics, especially COVID-19.
(n) :
(programming) A design pattern used to detect failures and prevent them from constantly recurring.
(n) :
(finance) Synonym of trading curb.