plural of spin polarization

(political science, US) the process of steady growth of the mutual dislike between Republicans and Democrats since the 1970s

plural of polar bear

(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.

Permanent sea ice found in the Arctic and Antarctic

(physics) the state of being a north pole or south pole; the magnetic equivalent of electric charge

(linear algebra) Relative to a set S in Rⁿ, the set of points y such that the inner product of x and y is not positive for any point x in S.

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

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