plural of spherical cone

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.

A curved mirror with a reflecting surface that forms part of a sphere (as opposed to, for example, a paraboloid)

(geometry, uncountable) The geometry of the 2-dimensional surface of a sphere;

(geometry) A portion of the surface of a sphere cut off by a plane.

(geometry) A volume of a sphere lying between two vertical planes through the centre of the sphere.

(geometry) A portion of the surface of a sphere cut off by two vertical planes through the centre of the sphere.

(mathematics) The solutions to Laplace's equation using spherical coordinates

(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.