Rotor
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Rotor may refer to:
- the rotating part of a machine, as in a motor, generator, alternator, a pump or a helicopter. The part of the machine that does not rotate is called the stator.
- an electric motor designed to turn a receiving antenna to match the direction of the received signal.
- certain cipher machines, such as the German Enigma machine, made use of rotating wheels, see rotor machine.
- in US English, the disc in a disc brake.
- a part in a distributor.
- the ROTOR radar project, the UK's 1st national air defence system following the Second World War, incorporating some Chain Home radar stations.
de:Rotor fa:چرخانه fr:Rotor nl:Rotor ja:回転子 no:Rotor pl:Wirnik