|angle of incidence|
|1.||the angle that a line or beam of radiation makes with the normal to the surface at the point of incidence|
|2.||another name for angle of attack|
|3.||Also called: rigging angle of incidence the angle between the chord line of an aircraft wing or tailplane and the aircraft's longitudinal axis|
|angle of incidence
The angle formed by a ray or wave, as of light or sound, striking a surface and a line perpendicular to the surface at the point of impact.