(photography) The viewpoint from which something is photographed or filmed.

(geometry) Any of the opposite angles formed by intersecting lines. / (geometry) The angle at the apex of an isosceles triangle or cone.

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

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

plural of angle level

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

The acute angle formed between the cardia at the entrance to the stomach, and the esophagus. It forms a valve that prevents reflux of stomach acid etc.

(geometry) An angle associated with a vertex of an n-dimensional polytope.

(geometry) Either of the two angles that intersect with the base of a triangle.

(anatomy) The synarthrotic joint formed by the articulation of the manubrium and the body of the sternum.