A north Atlantic fish of the family Gadidae (cod, haddock, whitings and pollock), Boreogadus saida.

(linguistics) A question which has only two possible responses: yes (affirmative) or no (negative).

Exhibiting spin polarization

(planetology) A high-latitude region of a celestial body that is covered by ice.

A period of darkness that occurs in winter in polar regions north from the Arctic Circle and south from the Antarctic Circle, and during which the sun stays below the horizon.

plural of polar bear

(mathematics) An equation defining a curve in terms of radius and angle.

A very large bear, Ursus maritimus, found in the Arctic Circle, white in appearance and very furry.

(physics) light in which the electric and magnetic fields each vibrate in a single plane

(mathematics) The coordinates of a point in a plane, measured as its Cartesian distance from the origin and the angle measured anticlockwise/counterclockwise from the x-axis to a line joining the point to the origin.