circuit-breaker

n automatic device for interrupting an electric current 断路器（自动切断电路的装置）.

cinder-track, Cinderella, cine-, cine-camera, cine-film, cine-projector, cineast, cinema, cinematic, cinematographer, cinematographic, cinematography, cinnamon, cipher, cipher (also cypher), circa, circle, circlet, circuit, circuit training, circuitous, circuitously, circuity, circular, circular saw, circularity, circularize, -ise, circulate, circulation, circulatory, circumcise, circumcision, circumference, circumflex, circumlocution, circumlocutory, circumnavigate, circumnavigation, circumscribe, circumscribed,