(physics) The angle of incidence beyond which light traveling through a medium experiences total internal reflection upon encountering a boundary with a less refractive medium.

(chemistry) In a chain of atoms A-B-C-D, the dihedral angle between the plane containing the atoms A,B,C and that containing B,C,D

plural of critical angle

plural of canted angle

plural of oblique angle

plural of spherical angle

plural of angle grinder

plural of round angle

plural of angle of attack

plural of dihedral angle