from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mathematics The
coordinatesof a point in a plane, measured as its Cartesian distancefrom the originand the angle measured anticlockwise/ counterclockwisefrom the x-axis to a line joining the point to the origin.
- noun mathematics The coordinates of a point in three-dimensional space, measured as its Cartesian distance from the origin, the angle measured from the z-axis to a line joining the point to the origin, and the angle measured anticlockwise from the x-axis to this line.
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