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polar

[poh-ler] /ˈpoʊ lər/
adjective
1.
of or relating to the North or South Pole.
2.
of or relating to the pole of any sphere, a magnet, an electric cell, etc.
3.
opposite in character or action:
The two have personalities that are polar.
4.
capable of ionizing, as NaCl, HCl, or NaOH; electrolytic; heteropolar.
5.
central; pivotal:
the polar provision of the treaty.
6.
analogous to the polestar as a guide; guiding:
a polar precept.
Origin
1545-1555
1545-55; < Medieval Latin polāris. See pole2, -ar1
Related forms
antipolar, adjective
transpolar, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for anti-polar

polar

/ˈpəʊlə/
adjective
1.
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
2.
having or relating to a pole or poles
3.
pivotal or guiding in the manner of the Pole Star
4.
directly opposite, as in tendency or character
5.
(chem)
  1. 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
  2. (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
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for anti-polar

polar

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
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anti-polar in Medicine

polar po·lar (pō'lər)
adj.

  1. Of or relating to a pole.

  2. 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.
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anti-polar in Science
polar
  (pō'lər)   
  1. Relating to a pole, such as the pole of a magnet or one of the electrodes of an electrolytic cell.

  2. Relating to the North Pole or the South Pole of Earth, or analogous regions of another planet.

  3. Relating to a molecule or substance that has polar bonds.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Related Abbreviations for anti-polar

POLAR

Polar Plasma Laboratory
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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