Definition of "polar"

Of or having a pole or polarity, as:

1. (geography) Of, relating to, measured from, or referred to a geographic pole (the North Pole or South Pole); within the Arctic or Antarctic circles.  examples

2. (space sciences) Of an orbit that passes over, or near, one of these poles.  examples

3. (chemistry) Having a dipole; ionic.  examples

4. (mathematics) Of a coordinate system, specifying the location of a point in a plane by using a radius and an angle.  examples

5. (linguistics, of a question) Having but two possible answers, yes and no.  examples

6. (conceptual analysis) Of or relating to a pole (extreme) on any spectrum or field, such as an ideologically pure dogmatic position as opposed to any syncretic integration or balancing of competing principles.  examples

(geometry) The line joining the points of contact of tangents drawn to meet a curve from a point called the pole of the line.  examples