Definition of: polar

(pō′lər) adjective
1. Pertaining to the poles of a sphere, as of the earth.
2. Coming from or found near the North or South Pole.
3. Pertaining to the poles of a magnet or other center of attraction or repulsion.
4. Exhibiting ionization.
5. Having or proceeding from a point of radiation.
6. Attracting; guiding.
7. Math. a Of or pertaining to a coordinate system of representing equations graphically whereby a point is located by its linear distance from the pole and by the angle subtended by a line from the point to the pole and the polar axis. b Of or pertaining to a curve or an equation traced or traceable by means of such coordinates. [<Med. L polaris <polus pole]
POLAR COORDINATE SYSTEM
The polar axis is the horizontal axis.