from
The Collaborative International Dictionary of English v.0.48
Spherical \Spher"ic*al\, Spheric \Spher"ic\, a. [L. sphaericus,
Gr. ???: cf. F. sph['e]rique.]
1. Having the form of a sphere; like a sphere; globular;
orbicular; as, a spherical body.
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2. Of or pertaining to a sphere.
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3. Of or pertaining to the heavenly orbs, or to the sphere or
spheres in which, according to ancient astronomy and
astrology, they were set.
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Knaves, thieves, and treachers by spherical
predominance. --Shak.
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Though the stars were suns, and overburned
Their spheric limitations. --Mrs.
Browning.
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{Spherical angle}, {Spherical coordinate}, {Spherical
excess}, etc. See under {Angle}, {Coordinate}, etc.
{Spherical geometry}, that branch of geometry which treats of
spherical magnitudes; the doctrine of the sphere,
especially of the circles described on its surface.
{Spherical harmonic analysis}. See under {Harmonic}, a.
{Spherical lune},portion of the surface of a sphere included
between two great semicircles having a common diameter.
{Spherical opening}, the magnitude of a solid angle. It is
measured by the portion within the solid angle of the
surface of any sphere whose center is the angular point.
{Spherical polygon},portion of the surface of a sphere
bounded by the arcs of three or more great circles.
{Spherical projection}, the projection of the circles of the
sphere upon a plane. See {Projection}.
{Spherical sector}. See under {Sector}.
{Spherical segment}, the segment of a sphere. See under
{Segment}.
{Spherical triangle},re on the surface of a sphere, bounded
by the arcs of three great circles which intersect each
other.
{Spherical trigonometry}. See {Trigonometry}.
[1913 Webster] -- {Spher"ic*al*ly}, adv. --
{Spher"ic*al*ness}, n.
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