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Webster 1913 Edition


Unipolar

Uˊni-po′lar

,
Adj.
[
Uni-
+
polar
.]
1.
(Physics)
Having, or acting by means of, one pole only.
2.
(Anat.)
Having but one pole or process; – applied to those ganglionic nerve cells which have but one radiating process; – opposed to multipolar.
Unipolar induction
(Elec.)
,
induction, as in a conducting circuit, by only one pole of a magnet.
Unipolar stimulation
(Physiol.)
,
the simulation sometimes produced when one electrode of an induction apparatus is applied to a nerve; – called also
unipolar induction action
.
Du Bois-Reymond.

Definition 2024


unipolar

unipolar

English

Adjective

unipolar (not comparable)

  1. Having a single pole.
    • 2008, Dec. 31, “Michael Kinsley”, in The Bush Presidency, Eight Years Later:
      All that talk of one superpower -- us -- bestriding a "unipolar" world seems as dated as Seinfeld reruns.
  2. (psychology, medicine) Not both depressive and manic; not bipolar.
    • 2007, Frederick K. Goodwin, Kay Redfield Jamison, Manic-Depressive Illness: Bipolar Disorders and Recurrent Depression, Volume 1, ISBN 0195135792, page 250:
      Most studies have tended to find somewhat higher suicide rates in unipolar depression than in bipolar disorder

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