# firestink

> English word · Noun

## Definitions
1. The stench from decomposing iron pyrites, caused by the formation of sulphureted hydrogen.

## Etymology
From fire + stink.

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