(mathematics) The part of geometry and trigonometry that deals with spheres.

Alternative form of sferics

plural of sphericity

(chiefly uncountable) The quality of being spherical, being a sphere. / (geometry, countable) The ratio of the surface area of a given particle to the surface area of a sphere with the same volume.

Sphericity.

Spherical. / Of or relating to the heavenly orbs, or to the sphere or spheres in which, according to ancient astronomy and astrology, they were set.

The quality or state of being spherical.

Conversion to a spherical form

Alternative form of sferic

(geometry) Shaped like a sphere. / (geometry, not comparable) Of, or pertaining to, spheres.