Pronunciation: (an'ōd), [key]
1. the electrode or terminal by which current enters an electrolytic cell, voltaic cell, battery, etc.
2. the negative terminal of a voltaic cell or battery.
3. the positive terminal, electrode, or element of an electron tube or electrolytic cell.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.