— Spher"ic*al*ly, adv. — Spher"ic*al*ness, n.
Sphericity
(Sphe*ric"i*ty) n. [Cf. F. sphéricité.] The quality or state of being spherial; roundness; as, the
sphericity of the planets, or of a drop of water.
Sphericle
(Spher"i*cle) n. A small sphere.
Spherics
(Spher"ics) n. (Math.) The doctrine of the sphere; the science of the properties and relations
of the circles, figures, and other magnitudes of a sphere, produced by planes intersecting it; spherical
geometry and trigonometry.
Spherobacteria
(||Sphe`ro*bac*te"ri*a) n. pl.; sing. Spherobacterium [NL. See Sphere, and Bacterium.]
(Biol.) See the Note under Microbacteria.
Spheroconic
(Sphe`ro*con"ic) n. (Geom.) A nonplane curve formed by the intersection of the surface
of an oblique cone with the surface of a sphere whose center is at the vertex of the cone.
Spherograph
(Spher"o*graph) n. [Sphere + -graph.] An instrument for facilitating the practical use of
spherics in navigation and astronomy, being constructed of two cardboards containing various circles,
and turning upon each other in such a manner that any possible spherical triangle may be readily found,
and the measures of the parts read off by inspection.
Spheroid
(Sphe"roid) n. [L. spheroides ball-like, spherical, Gr. sphere + form: cf. F. sphéroïde.] A body
or figure approaching to a sphere, but not perfectly spherical; esp., a solid generated by the revolution of
an ellipse about one of its axes.