[poh-lar-i-tee, puh-]
the property or characteristic that produces unequal physical effects at different points in a body or system, as a magnet or storage battery.
the positive or negative state in which a body reacts to a magnetic, electric, or other field.
the presence or manifestation of two opposite or contrasting principles or tendencies.
(of words, phrases, or sentences) positive or negative character.

1640–50; polar + -ity

nonpolarity, noun
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World English Dictionary
polarity (pəʊˈlærɪtɪ)
n , pl -ties
1.  the condition of having poles
2.  the condition of a body or system in which it has opposing physical properties at different points, esp magnetic poles or electric charge
3.  the particular state of a part of a body or system that has polarity: an electrode with positive polarity
4.  the state of having or expressing two directly opposite tendencies, opinions, etc

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American Heritage
Medical Dictionary

polarity po·lar·i·ty (pō-lār'ĭ-tē, pə-)

  1. The property of having two opposite poles, such as those possessed by a magnet, or of having opposite properties or characteristics.

  2. The direction or orientation of positivity relative to negativity.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
polarity   (pō-lār'ĭ-tē)  Pronunciation Key 
The condition of having poles or being aligned with or directed toward poles, especially magnetic or electric poles.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences for nonpolarity
Due to their nonpolarity, oils do not easily adhere to other substances.
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