stereographic

{ } a. [ Cf. F. stéréographique. ] Made or done according to the rules of stereography; delineated on a plane; as, a stereographic chart of the earth. [ 1913 Webster ]

Stereographic projection (Geom.), a method of representing the sphere in which the center of projection is taken in the surface of the sphere, and the plane upon which the projection is made is at right andles to the diameter passing through the center of projection. [ 1913 Webster ]