Pronunciation: (flash'ō"vur), [key]
1. Elect.a disruptive discharge around or over the surface of a solid or liquid insulator.
2. the moment of conflagration or complete incineration caused by superheated air or combustibles.
Elect.to have or experience a flashover.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.