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1. Having, acting by means of, or produced by a single magnetic or electric pole.
2. Biology Having a single fibrous process. Used of a neuron.
3. Medicine Relating to or being a mood disorder that includes depression and not mania or hypomania.

u′ni·po·lar′i·ty (-pō-lăr′ĭ-tē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (General Physics) of, concerned with, or having a single magnetic or electric pole
2. (Biochemistry) (of a nerve cell) having a single process
3. (Electronics) (of a transistor) utilizing charge carriers of one polarity only, as in a field-effect transistor
4. (Pathology) (of nervous depression) occurring without accompanying bouts of mania
5. (Government, Politics & Diplomacy) dominated by one superpower, esp the United States. See bipolar
unipolarity n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.unipolar - having a single pole
bipolar - having two poles
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


a. unipolar, de un solo polo, tal como las células nerviosas.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
Under the RF umbrella, devices can be classified as monopolar, unipolar, bipolar, and multipolar depending on its electrodes.
After the end of the Cold War and the collapse of Soviet Union, the world had practically become unipolar. In the post-Soviet and Cold War era, America has been nearly dominating international political scene.
The simulator is designed to generate digital or analog simulated waveforms for electrocardiograms, unipolar or bipolar electrograms or cardiac activation maps.
Bipolar depression is frequently misdiagnosed as unipolar depression in outpatient (2-8) and inpatient (9) settings, and in children and adolescents.
With the end of the Cold War, the world become unipolar as the USA assumed a hegemonic position in the international system.
Summary: Samastipur (Bihar), [India], Feb 9 (ANI): Union Minister for Home Affairs Rajnath Singh on Saturday said the BJP has made IndiaaACAOs politics bipolar which used to be unipolar earlier, while terming Janata Dal-United (JDU) as a natural ally of his party in Bihar.
The hitherto gripping tale of a Hindu nationalist party charging ahead with an almost missionary zeal to establish a unipolar political discourse in a multipolar society has started to lose the plot.
Primakov said today's unipolar world is based on economy and enabling political financial institutions to take over markets and resources as well as control governments and replacing them if needed, resulting in its control over many countries and its peoples' capabilities.
Moscow, in response to Trump's threat to withdraw from the treaty, said it was "dreaming of a unipolar world".
Summary: TEHRAN (FNA)- The main reasoning behind the US decision to withdraw from the Intermediate-Range Nuclear Forces (INF) Treaty is Washington's dream about a unipolar world, a source in the Russian Foreign Ministry said on Sunday.
It also questions the theory of US unipolar stability, arguing that it is not underpinned but rather undermined by Washington's BMD initiatives.
"When it comes to the issue of attacks against Russia and azerbaijan, we believe that the unipolar approach has already become obsolete.