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Rotor may refer to:

Science and technology[edit]



  • Rotor machine, the rotating wheels used in certain cipher machines, such as the German Enigma machine
  • Rotor (software project), the former code name for Microsoft's shared source implementation of its Common Language Infrastructure

Medicine, biology, chemistry[edit]


  • Rotor (mathematics), an n-blade object in geometric algebra, which rotates another n-blade object about a fixed or translated point
  • Curl (mathematics), known as rotor in some countries, a vector operator that shows a vector field's rate of rotation

Other uses[edit]