1. Riemannian geometry(def 1).

noun Geometry.

  1. Also called elliptic geometry. the branch of non-Euclidean geometry that replaces the parallel postulate of Euclidean geometry with the postulate that in a plane every pair of distinct lines intersects.Compare hyperbolic geometry.
  2. the differential geometry of a metric space that generalizes a Euclidean space.


  1. another name for Riemannian geometry


  1. a branch of non-Euclidean geometry in which a line may have many parallels through a given point. It has a model on the surface of a sphere, with lines represented by great circlesAlso called: elliptic geometry

  1. A non-Euclidean system of geometry based on the postulate that within a plane every pair of lines intersects.

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