polar

1. Of or relating to a pole.

2. Measured from or referred to a pole: polar distance; polar diameter.

3. Passing over a planet's north and south poles: a polar orbit.

4. Traveling in an orbit that passes over a planet's north and south poles.

5. Chemistry Relating to or characterized by a dipole: a polar molecule.

6. Ionizing when dissolved or fused: polar bonds or linkages.

Relating to, connected with, or located near the North Pole or South Pole.

1. Passing over a planet's north and south poles: a polar orbit.

2. Traveling in an orbit that passes over a planet's north and south poles.

3. Chemistry Relating to or characterized by a dipole: a polar molecule.

4. Ionizing when dissolved or fused: polar bonds or linkages.

Serving as a guide, as a polestar or a pole of the earth.

Occupying or characterized by opposite extremes: "In creative territory [they] make a strange yet ineluctable couple, more complementary, even polar, than twin-like" (Josh Rubins).

Central or pivotal.

1. Chemistry Relating to or characterized by a dipole: a polar molecule.

2. Ionizing when dissolved or fused: polar bonds or linkages.

Relating to a pole, such as the pole of a magnet or one of the electrodes of an electrolytic cell.

Relating to the North Pole or the South Pole of Earth, or analogous regions of another planet.

Relating to a molecule or substance that has polar bonds.