unipolar
Americanadjective
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Physics. Also having or pertaining to a single magnetic or electric pole.
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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.
adjective
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of, concerned with, or having a single magnetic or electric pole
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(of a nerve cell) having a single process
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(of a transistor) utilizing charge carriers of one polarity only, as in a field-effect transistor
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(of nervous depression) occurring without accompanying bouts of mania
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dominated by one superpower, esp the United States See bipolar
Other Word Forms
Etymology
Origin of unipolar
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Yet if the U.S. has truly entered a unipolar moment, why are allies behaving as though American commitments remain uncertain?
From The Wall Street Journal ● Jan. 23, 2026
History shows, however, that such unipolar moments are fleeting.
From The Wall Street Journal ● Jan. 14, 2026
While America’s "unipolar moment" would surely not "continue for centuries," its end, he predicted, “seems a long way off for now.”
From Salon ● Dec. 1, 2024
And many patients who wind up with the label of bipolar disorder are initially misdiagnosed with unipolar depression.
From Slate ● Sep. 29, 2024
This accounts for the fact that the unipolar concept of gravity had eventually to be supplemented by some kind of bipolar concept.
From Man or Matter by Ernst Lehrs
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
