# flashover

> English word · Noun

## Definitions
1. The near simultaneous ignition of all combustible material in an enclosed area.
2. An unintended electric discharge or arc over or around an insulator.

## Etymology
Deverbal from flash over.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/flashover