Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Spherical geometry.
  • n. Spherical trigonometry.
  • n. Variant of sferics.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The part of geometry and trigonometry that deals with spheres.
  • n. Alternative form of sferics.

from the GNU version of the Collaborative International Dictionary of English

  • n. 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.

from The Century Dictionary and Cyclopedia

  • n. Geometry of figures drawn on the surface of a sphere; specifically, spherical trigonometry.

Etymologies

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