spherical geometry

1. (uncountable, usually)The geometry of the 2-dimensional surface of a sphere;

   The basic concepts of Euclidean geometry of the plane are the point and the (straight) line; in spherical geometry, the corresponding concepts are the point and the great circle.

   (mathematics) the geometry of figures on the surface of a sphere

2. The geometry of the 2-dimensional surface of a sphere; (countable) a given geometry of the surface of a sphere; a geometry of the surface of a given sphere, regarded as distinct from that of other spheres.

   (countable, usually)A given geometry of the surface of a sphere; a geometry of the surface of a given sphere, regarded as distinct from that of other spheres.

   sphärische Geometrie, Kugelgeometrie, Geometrie auf der Kugel

   сферическая геометрияsferičeskaja geometrija

   сферична геометріяsferyčna heometrija

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