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# Spherical-coordinate

noun, Mathematics.
1.
Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
spherical coordinate
Any of a set of coordinates in a three-dimensional system for locating points in space by means of a radius vector and two angles measured from the center of a sphere with respect to two arbitrary, fixed, perpendicular directions.

Tagged:

• Spherical-excess

noun, Mathematics. 1. the difference between the sum of the angles of a spherical triangle and two right angles.

• Spherical-geometry

noun 1. the branch of geometry that deals with figures on spherical surfaces. spherical geometry noun 1. the branch of geometry concerned with the properties of figures formed on the surface of a sphere spherical geometry The geometry of circles, angles, and figures on the surface of a sphere.

• Spherical lens

spherical lens n. Abbr. sph A lens in which all refracting surfaces are spherical.

• Spherical-polygon

noun, Geometry. 1. a closed figure formed by arcs of great circles on a spherical surface. spherical polygon noun 1. a closed geometric figure formed on the surface of a sphere that is bounded by three or more arcs of great circles

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