north-polar

from WordNet (r) 3.0 (2006)

north-polar
    adj 1: of or relating to the Arctic; "the Arctic summer" [syn:
           {north-polar}, {Arctic}]

from The Collaborative International Dictionary of English v.0.48

north-polar \north-polar\ adj.
   Of or pertaining to the North Pole; at or near the north
   pole; characteristic of the north pole.

   Syn: Arctic.
        [WordNet 1.5]