(mathematics) Angular component of a polar coordinate representation. / (astronomy) Angle between incident light and reflected light.

plural of angle level

The angle at which shock waves separate from an object travelling supersonically. The angle is related to the Mach number of the supersonic object.

(geometry) The indefinitely small angle between two consecutive osculating planes of a curve of double curvature.

A form of roadside car parking where the parking spaces are arranged at an acute angle to the direction of approach, allowing the driver to enter a space easily and later reverse back out.

An angle of incidence at which light with a particular polarization is perfectly transmitted through a transparent dielectric surface, with no reflection.

An acute angle with the same values of trigonometric functions, up to sign, as another angle: used for easy reference when examining the non-acute angle.

(zoology) The angle at the last joint of the folded wing of a bird.

plural of angle brace

plural of angle shaft