Bipolar

a.

1.

Doubly polar; having two poles; as, a bipolar cell or corpuscle.

Adj.	1.	bipolar - of or relating to manic depressive illness
	2.	bipolar - of, pertaining to, or occurring in both polar regions; "the bipolar distribution of certain species"
	3.	bipolar - having two poles Antonyms: unipolar - having a single pole

1.	(electronics)	bipolar - See bipolar transistor.
2.	(communications)	bipolar - In digital transmission, an electrical line signalling method where the mark value alternates between positive and negative polarities. See also AMI.

bipolar disorder, manic depression, manic depressive illness, manic-depressive psychosis