uni·po·lar /ˌjunɪˈpolɚ/ 形容詞
  單極的
  unipolar
  單極; 單極性的
  unipolar
  單極
  U·ni·po·lar a.
  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.
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  unipolar
       adj : having a single pole [ant: bipolar]