Definitions of rotor
  1. noun
    rotating mechanism consisting of an assembly of rotating airfoils
    “there are horizontal rotors on a helicopter or compressor rotors in a jet engine”
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    main rotor
    rotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air
    anti-torque rotor, tail rotor
    rotor consisting of a rotating airfoil on the tail of a single-rotor helicopter; keeps the helicopter from spinning in the direction opposite to the rotation of the main rotor
    type of:
    rotating mechanism
    a mechanism that rotates
  2. noun
    the rotating armature of a motor or generator
    synonyms: rotor coil
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    stator, stator coil
    mechanical device consisting of the stationary part of a motor or generator in or around which the rotor revolves
    type of:
    coil in which voltage is induced by motion through a magnetic field
  3. noun
    the revolving bar of a distributor
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    type of:
    a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon
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