(medicine, psychology) Initialism of obsessive-compulsive disorder. / (medicine) Initialism of osteochondritis dissecans.

(electricity) An automatic circuit breaker that rapidly disconnects an electric circuit when the imbalance of the currents going through it exceeds a specific value.

present participle of bellows

One of the world's major mountain ranges stretching along the western end of South America from Colombia to the southern tip of Chile