flashover
[ flash-oh-ver ]
/ ˈflæʃˌoʊ vər /
noun
Electricity.
a disruptive discharge around or over the surface of a solid or liquid insulator.
the moment of conflagration or complete incineration caused by superheated air or combustibles.
verb (used without object)
Electricity.
to have or experience a flashover.
Origin of flashover
First recorded in 1890–95; orig. noun use of verb phrase
flash over
Words nearby flashover
flashgun,
flashing,
flashing point,
flashlight,
flashlight fish,
flashover,
flashpacker,
flashtube,
flashy,
flask,
flasket
British Dictionary definitions for flashover
flashover
/ (ˈflæʃˌəʊvə) /
noun
an electric discharge over or around the surface of an insulator
the sudden and rapid spread of fire through the air, caused by the ignition of smoke or fumes from surrounding objects