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WordReference Random House Learner's Dictionary of American English © 2026cir•cuit /ˈsɜrkɪt/USA pronunciation
n. [countable]
- a circular journey:the earth's circuit around the sun.
- a regular journey from place to place, as by salespeople covering a route:the campus lecture circuit.
- the line around any area or object;
the distance around an area or object:a complete circuit of the whole town.
- Electricitythe complete path of an electric current:This diagram shows all the circuits and where they connect.
- Telecommunicationsa means of transmitting signals, usually two channels:Our circuits have been broken; can we re-establish communication?
- Show Businessa number of theaters or the like controlled by one management.
WordReference Random House Unabridged Dictionary of American English © 2026cir•cuit
(sûr′kit),USA pronunciation n.
- an act or instance of going or moving around.
- a circular journey or one beginning and ending at the same place;
a round.
- a roundabout journey or course.
- a periodical journey from place to place, to perform certain duties, as by judges to hold court, ministers to preach, or salespeople covering a route.
- the persons making such a journey.
- the route followed, places visited, or district covered by such a journey.
- the line going around or bounding any area or object;
the distance about an area or object.
- the space within a bounding line;
district:the circuit of the valley.
- Electricity
- Also called electric circuit. the complete path of an electric current, including the generating apparatus, intervening resistors, or capacitors.
- any well-defined segment of a complete circuit.
- Telecommunicationsa means of transmitting communication signals or messages, usually comprising two channels for interactive communication. Cf. channel1 (def. 12).
- Show Businessa number of theaters, nightclubs, etc., controlled by the same owner or manager or visited in turn by the same entertainers or acting companies.
- a league or association:He used to play baseball for the Texas circuit.
- Lawmaking, Idioms ride circuit, (of a judge) to travel a judicial county or district in order to conduct judicial proceedings.
v.t. - to go or move around;
make the circuit of.
v.i. - to go or move in a circuit.
- Latin circuitus, variant of circumitus circular motion, cycle, equivalent. to circu(m)i-, variant stem of circu(m)īre to go round, circle (circum- circum- + īre to go) + -tus suffix of verb, verbal action; compare ambit, exit
- Middle English 1350–1400
2. tour, revolution, orbit. 7. circumference, perimeter, periphery, boundary, compass. 8. region, compass, area, range, field. 11. chain.
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