(geometry) A particular dihedral angle, the angle between two intersecting arcs on a sphere, measured by the angle between the planes containing the arcs.

plural of spherical aberration

plural of spherical wedge

(geometry) The amount by which the sum of the three angles of a spherical triangle exceeds two right angles. The spherical excess is proportional to the area of the triangle.

plural of spherical lune

plural of spherical geometry

(geometry) A cone with a spherical base.

(humorous) A highly simplified scientific model of a complex real-life phenomenon.

plural of spherical cow

A coordinate system, for three-dimensional space, using latitude, longitude and radius (i.e. distance from the center) as the coordinates.