angle of deviation

noun Optics.

the angle equal to the difference between the angle of incidence and the angle of refraction of a ray of light passing through the surface between one medium and another of different refractive index.
Also called deviation.

Origin of angle of deviation

First recorded in 1825–35

Words nearby angle of deviation

angle of attack, angle of bank, angle of climb, angle of convergence, angle of depression, angle of deviation, angle of dip, angle of eccentricity, angle of elevation, angle of friction, angle of incidence

British Dictionary definitions for angle of deviation

angle of deviation

noun

the angle between the direction of the refracted ray and the direction of the incident ray when a ray of light passes from one medium to another