Pronunciation: (ō'vur-vōl"tij), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/overvoltage.html on line 73 [key]
1. Elect.excess voltage.
2. Physics.the amount by which the voltage applied to an ionization chamber exceeds the Geiger-Müller threshold.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.