unipolar

adjective uni·po·lar \ ˌyü-ni-ˈpō-lər \

Definition of unipolar

1 : having or oriented in respect to a single pole: such as
a : having or involving the use of a single magnetic or electrical pole
b : based on or controlled by a single factor or view
  • China mistrusts a unipolar, U.S.-dominated world.
  • —Thomas A. Stewart
2 : not accompanied by episodes of mania
  • unipolar depression
; also : relating to, affected with, or being a mood disorder in which there are only episodes of depression or rarely only episodes of mania
  • unipolar patients

Recent Examples of unipolar from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unipolar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of unipolar

1806


Medical Dictionary

unipolar

adjective uni·po·lar \ ˌyü-ni-ˈpō-lər \

medical Definition of unipolar

1 : involving or being an electrode or lead attached to the surface of a bodily site (as the chest) for recording the difference in electrical potential between the site and that of another electrode or lead having zero potential
2 of a neuron : having but one process
3 : relating to or being a manic-depressive disorder in which there is a depressive phase only
  • unipolar depression
— compare bipolar

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