Definition of moving–coil

  1. 1 :  operated by the force exerted upon a movable electric-current-carrying coil suspended in a magnetic field a moving-coil galvanometer

  2. 2 :  operating by means of an electric-current-carrying coil or a single conductor that moves in a magnetic field (as in a dynamic loudspeaker or a dynamic pickup)

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a trip made at another's expense

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