- Also homopolar. Physics. having or pertaining to a single magnetic or electric pole.
- Anatomy. of or relating to a nerve cell in spinal and cranial ganglia in which the incoming and outgoing processes fuse outside the cell body.
Origin of unipolar
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for unipolar
But the idea that the United States must maintain its hegemonic status in a unipolar world—on the right, that has staying power.Dick Cheney’s Awfulness Is Here to Stay
July 15, 2014
The “unipolar moment” that might have described America when the Berlin Wall fell down is long over.We're Handling China All Wrong
Jeffrey E. Garten
February 17, 2010
Unipolar spots are very seldom observed without some indication of the characteristics of bipolar groups.
The bipolar spot seems to be the dominant type, and the unipolar type a variant of it.
Burger showed that all ganglion cells are unipolar, without membranes.
The next morphological category may be spoken of as unipolar symmetry.
But unipolar symmetry with diverging outgrowths leads us to the next category which may be called radial symmetry.
- of, concerned with, or having a single magnetic or electric pole
- (of a nerve cell) having a single process
- (of a transistor) utilizing charge carriers of one polarity only, as in a field-effect transistor
- (of nervous depression) occurring without accompanying bouts of mania
- dominated by one superpower, esp the United StatesSee bipolar
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
Word Origin and History for unipolar
Online Etymology Dictionary, © 2010 Douglas Harper
- Having a single fibrous process. Used of a neuron.
- Situated at only one extremity of a cell.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.