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angle of attack

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noun
  1. Also called, especially British, angle of incidence. Aeronautics. the acute angle between the chord of an aircraft wing or other airfoil and the direction of the relative wind.
  2. Railroads. the angular attitude of a wheel flange to the rail, especially on curves.
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Origin of angle of attack

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for angle of attack

angle of attack

noun
  1. the acute angle between the chord line of an aerofoil and the undisturbed relative airflowAlso called: angle of incidence
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012