polar [ poh-ler ] SHOW IPA / ˈpoʊ lər / PHONETIC RESPELLING WORD ORIGIN adjective of or relating to the North or South Pole. of or relating to the pole of any sphere, a magnet, an electric cell, etc. opposite in character or action: The two have personalities that are polar. capable of ionizing, as NaCl, HCl, or NaOH; electrolytic; heteropolar. central; pivotal: the polar provision of the treaty. analogous to the polestar as a guide; guiding: a polar precept. Nearby words polacre, poland, poland china, poland, invasion of, polanski, polar angle, polar axis, polar bear, polar body, polar bond Origin of polar
dating back to
-ar 1 Related forms an·ti·po·lar, adjective trans·po·lar, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for transpolar adjective situated at or near, coming from, or relating to either of the earth's poles or the area inside the Arctic or Antarctic Circles polar regions having or relating to a pole or poles pivotal or guiding in the manner of the Pole Star directly opposite, as in tendency or character chem Also: heteropolar (of a molecule or compound) being or having a molecule in which there is an uneven distribution of electrons and thus a permanent dipole moment water has polar molecules (of a crystal or substance) being or having a crystal that is bound by ionic bonds sodium chloride forms polar crystals
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for transpolar adj.
1550s, from Middle French
polaire (16c.) or directly from Medieval Latin polaris "of or pertaining to the poles," from Latin polus "an end of an axis" (see pole (n.2)). Meaning "directly opposite in character or tendency" is attested from 1832. Polar bear first recorded 1781.
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for transpolar adj. Of or relating to a pole. Having poles. Used of certain nerve cells having one or more processes.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for transpolar Relating to a pole, such as the pole of a magnet or one of the electrodes of an electrolytic cell. Relating to the North Pole or the South Pole of Earth, or analogous regions of another planet. Relating to a molecule or substance that has polar bonds.
The American Heritage® Science Dictionary
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