spherical coordinate


Definition of spherical coordinate 

: one of three coordinates that are used to locate a point in space and that comprise the radius of the sphere on which the point lies in a system of concentric spheres, the angle formed by the point, the center, and a given axis of the sphere, and the angle between the plane of the first angle and a reference plane through the given axis of the sphere

First Known Use of spherical coordinate

circa 1864, in the meaning defined above

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The first known use of spherical coordinate was circa 1864

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