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
Derived 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
Mr. Herman rightly notes that unipolar moments are fleeting.
From The Wall Street Journal • Jan. 23, 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
Monocentric, mon-ō-sen′trik, adj. having a single centre only: unipolar.
From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various
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.
