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Words related to angle
an·gle
A a -
critical angle
the smallest possible angle of incidence for which light rays are totally reflected at an interface between substances of different refractive index -
exterior angle
an angle of a polygon contained between one side extended and the adjacent side -
right angle
the angle formed by two radii of a circle that are drawn to the extremities of an arc equal to one quarter of the circle; the angle formed by two perpendicular lines that intersect; an angle of 90°. -
angle iron
an iron or a steel structural bar that has an L-shaped cross section -
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 -
angle of incidence
the angle that a line or beam of radiation makes with the normal to the surface at the point of incidence