bipolarity

Science Dictionary
bipolar   (bī-pō'lər)  Pronunciation Key 
  1. Relating to or having two poles or charges.

  2. Relating to a semiconductor device, such as a transistor, that exploits the electrical characteristics of contact between two substances, one with an inherent positive charge, the other with an inherent negative charge.

  3. Relating to or involving both of the Earth's polar regions.

  4. Relating to a neuron that has two processes or extremities.

  5. Relating to bipolar disorder.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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