polar

/ˈpoʊlər/
adjective
  1. Relating to the North or South Pole of the Earth.
    • Polar explorers face extreme cold and long periods of darkness.
    • The polar ice caps are melting due to climate change.
    • Many animals, like polar bears, are adapted to polar environments.
  2. Completely opposite in character or direction.
    • Their personalities are polar opposites, but they work well together.
    • The debate revealed polar positions on the issue of taxation.
    • The two candidates have polar views on education reform.
  3. Relating to a pole of a magnet or electric cell.
    • Scientists studied the polar magnetic field of the star.
    • The polar regions of a magnet attract opposite poles.
    • In a battery, electrons flow from the negative polar terminal.
Synonyms
noun
  1. A line or curve that is the locus of points related to a given point and line in geometry.
    • In geometry class, we learned how to find the polar of a point with respect to a circle.
    • The polar of a point lies on the line connecting the point to the center.
    • He plotted the polar of the given conic section.