Definition from Wiktionary, the free dictionary
unipolar (not comparable)
- Having a single pole.
2008 Dec. 31, Michael Kinsley, “The Bush Presidency, Eight Years Later”:
- All that talk of one superpower -- us -- bestriding a "unipolar" world seems as dated as Seinfeld reruns.
- (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, pages 250:
- Most studies have tended to find somewhat higher suicide rates in unipolar depression than in bipolar disorder