flashover

(-ō′vər)

noun

an undesired electrical discharge across an insulator, between a high potential and the ground, etc.

See flashover in American Heritage Dictionary 4

noun

An unintended electric arc, as between two pieces of apparatus.
The temperature point at which the heat in an area or region is high enough to ignite all flammable material simultaneously.

Learn more about flashover

flashover in a sentence

link/cite print suggestion box

More from YD