plural of polar star

plural of spin polarization

plural of polar fleece

Alternative spelling of nonpolar

A species of willow, Salix polaris

The aurora borealis or aurora australis.

Synonym of Arctic wolf (“Canis lupus arctos”)

A husky.

plural of polar dog

(quantum field theory) One of a set of three spacelike (and possibly also one timelike) four-dimensional vectors which are orthonormal within some inertial reference frame.