north polaradj.
/ˌnɔːθ ˈpəʊlə/, U.S. /nɔrθ ˈpoʊlər/ Of or relating to a north pole, esp. the earth's North Pole.
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the world > the earth > region of the earth > zone or belt > [adjective] > arctic
Arcticc1540
Zemblan1729
north polar1744
Zembliana1761
the world > matter > physics > electromagnetic radiation > magnetism > magnetic devices or materials > [adjective] > polar > relating to north or south pole
positive1837
north polar1849
blue magnetism1865
1744 Philos. Trans. 1739–40 (Royal Soc.) 41 372 Mr. Celsius, in the Treatise before us,..begins with a Defence of the Observations made at Tornea, near the North Polar Circle.
?1768–9 Encycl. Brit. (1771) I. 546/1 If the circle be properly inclined,..the frigid zone, lying within the arctic or north polar circle, will be all in the light.
1849 H. M. Noad Lect. Electr. (ed. 3) 298 A south pole at E, which either destroys or neutralizes the north-polar magnetism previously induced by N.
1853 E. K. Kane U.S. Grinnell Exped. 544 The North Polar Ocean is a great mediterranean.
1897 Geogr. Jrnl. June 673 The sloths and anteaters are confined to tropical America, and the polar bear to the North Polar lands.
1909 Westm. Gaz. 25 Mar. 2/1 He saw a slight trace of the north polar cap a couple of years ago.
1934 H. S. Jones Gen. Astron. i. 4 The sum of the declination and north polar distance of any body is equal to 90°.
1992 S. P. Maran Astron. & Astrophysics Encycl. 46/2 An apparently related but not quite coincident feature in the nonthermal radio sky is known as the North Polar Spur.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).
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adj.1744