ALL meanings of angle of deviation
an·gle of de·vi·a·tion
A a - noun angle of deviation 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 3
- noun angle of deviation 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. 1