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English definition of “circuit”

circuit

noun [C] (TRACK)    /ˈsɜː.kɪt/ US  /ˈsɝː-/
C2 something shaped approximately like a circle, especially a route, path, or sports track that starts and ends in the same place: They test the car tyres on a motor racing circuit. We made a leisurely circuit of the city walls.Surfaces on which sports take place
(Definition of circuit noun (TRACK) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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