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angle of attack

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.
Origin
1905-1910
1905-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for angle-attack

angle of attack

noun
1.
the acute angle between the chord line of an aerofoil and the undisturbed relative airflow Also called angle of incidence
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
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