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autorotation

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noun au·to·ro·ta·tion \-rō-ˈtā-shən\

Definition of autorotation

  1. :  the turning of the rotor of an autogiro or a helicopter with the resulting lift caused solely by the aerodynamic forces induced by motion of the rotor along its flight path

autorotateplay \-ˈrō-ˌtāt\ intransitive verb


1926

First Known Use of autorotation

1926


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