1 path for an electric current
ADJ. short The lights were not working because of a short circuit. | closed | integrated, printed | electrical, electronic
VERB + CIRCUIT break
CIRCUIT + NOUN diagram
2 places visited by sb in a particular job/sport
ADJ. amateur, professional Talent scouts spotted him playing on the amateur circuit. | international, world | cabaret, festival, lecture, tennis, etc.
PREP. on a/the ~ She's a well-known figure on the international lecture circuit.
3 circular journey around sth
VERB + CIRCUIT do, make We did a complete circuit of the park in twenty minutes.
PREP. ~ of