angle of incidence

angle of incidence

n.

The angle formed by a ray incident on a surface and a perpendicular to the surface at the point of incidence.

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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.

Thesaurus

Noun

1.

angle of incidence - the angle that a line makes with a line perpendicular to the surface at the point of incidence incidence angle angle - the space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radians angle of attack - the acute angle between the direction of the undisturbed relative wind and the chord of an airfoil critical angle - the smallest angle of incidence for which light is totally reflected