spheric | medical dictionary |

1. Having the form of a sphere; like a sphere; globular; orbicular; as, a spherical body.

2. Of or pertaining to a sphere.

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. "Knaves, thieves, and treachers by spherical predominance." (Shak) "Though the stars were suns, and overburned Their spheric limitations." (Mrs. Browning) Spherical angle, Spherical coordinate, Spherical excess, etc. See 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 Harmonic, 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 Sector. Spherical segment, the segment of a sphere. See 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. Spher"ically, Spher"icalness.

Origin: L. Sphaericus, Gr., cf. F. Spherique.

(01 Mar 1998)

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