# pneumatolysis

> English word · Noun

## Definitions
1. the alteration of rocks and minerals by gases or magmatic fluid within volcanos etc

## Etymology
From Ancient Greek πνεῦμα (pneûma, “vapor”) + λύειν (lúein, “to set free”). By surface analysis, pneumato- + -lysis.

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