Definition of "circulator" []

• A person or thing that causes something to circulate (noun)
• A local transit system that provides regular service within a closed loop (noun)
• A passive electronic component with three or more ports, in which the ports can be accessed in such a way that when a signal is fed into any port it is transferred to the next port only (noun)

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• "As a result, the circulator is shortening its normal Purple Route and will add the"
• "But on the whole, the circulator is a tremendous asset and a great deal for city residents as it is funded mostly by the 2008 increase in the parking tax."
• "The circulator is the first person to meet with the patient before surgery."