polar coordinate

polar coordinate n. Either of two coordinates, the radius or the polar angle, that together specify the position of a point in a plane.

polar coordinate The polar coordinates of point P are (r, ).

Thesaurus

Noun

1.

polar coordinate - either of two values that locate a point on a plane by its distance from a fixed pole and its angle from a fixed line passing through the pole co-ordinate, coordinate - a number that identifies a position relative to an axis