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circuit

 
 
/ˈsɜːkɪt/ noun [C]

Definition

TRACK a path, route, or sports track that is shaped like a circle
ELECTRIC a complete circle that an electric current travels around
EVENTS a regular series of places or events that people involved in a particular activity go to: [usually singular] the tennis circuit → See also short-circuit
(Definition of circuit noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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