# volcanic lightning

> English word · Noun

## Definitions
1. Electrical discharge that occurs during a volcanic eruption, caused by a build-up of static electricity in colliding ejecta (such as ash and debris).

## Etymology
From volcanic + lightning.

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