[1] : The Collaborative International Dictionary of English v.0.48

bipolar \bipo"lar\, a. pref. bi- + polar. cf. dipolar.
   doubly polar; having two poles; as, a bipolar cell or
   corpuscle.
   1913 webster
see also:
dipolar 

[2] : WordNet (r) 2.0

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
see also:
unipolar 

[3] : The Free On-line Dictionary of Computing (27 SEP 03)

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
     
     
see also:
bipolar transistor ami 

Bipolar >> B Words
Bipolar, definition of term: Bipolar
bipolar_pag1.html

Bipolar Disorde >> B Words
Bipolar Disorde, definition of term: Bipolar Disorde
bipolar+disorde_pag1.html