Bipolar \Bi*po"lar\, a. [Pref. bi- + polar. Cf. Dipolar.]
   Doubly polar; having two poles; as, a bipolar cell or
   corpuscle.
   [1913 Webster]

	

	bipolar
    adj 1: of or relating to manic depressive illness
    2: of, pertaining to, or occurring in both polar regions; "the
       bipolar distribution of certain species"
    3: having two poles [ant: unipolar]

	

	bipolar

   1.  See bipolar transistor.

   2.  In digital transmission, an electrical
   line signalling method where the mark value alternates between
   positive and negative polarities.

   See also AMI.

   (1995-03-02)