Main Entry: ¹po·lar

Pronunciation: \ˈpō-lər\

Function: adjective

Etymology: New Latin polaris, from Latin polus pole

Date: 1551

1 a : of or relating to a geographic pole or the region around it b : coming from or having the characteristics of such a region c (1) : passing over a celestial body's north and south poles <a satellite in a polar orbit> (2) : traveling in a polar orbit <a polar satellite>
2 : of or relating to one or more poles (as of a magnet)
3 : serving as a guide <a polar principle> <a polar theory>
4 : diametrically opposite <polar positions on the issue>
5 : exhibiting polarity; especially : having a dipole or characterized by molecules having dipoles <a polar solvent>
6 : resembling a pole or axis around which all else revolves : pivotal <polar events>
7 : of, relating to, or expressed in polar coordinates <polar equations>; also : of or relating to a polar coordinate system