A closed path through which electric current can flow.
The battery, wires, and bulb formed a simple circuit that lit the lamp.
If the circuit is broken, the computer will shut down immediately.
A closed course or track where races or sporting events take place.
Tens of thousands of fans filled the stands around the Formula 1 circuit.
The runners must complete ten laps of the 400-meter circuit.
A complete journey around a place or object, ending where it began.
We took a leisurely circuit of the lake before lunch.
The security guard makes a nightly circuit around the building.
A regular series of places or events where someone performs the same activity.
After publishing her book, she toured the lecture circuit at universities.
The band became famous on the local club circuit.
A geographical area served by a particular court or judge.
The judge was assigned to the federal appeals circuit in New Orleans.
Lawyers from three states practice in the same circuit.
To travel all the way around something.
Tourists circuit the island on rented scooters in a single day.
The moon circuits Earth roughly every 27 days.