# hydrogen sulfide

> English word · Noun · IPA /ˈhaɪdɹədʒ(ə)n ˈsʌlfaɪd/

## Definitions
1. A toxic gas, H₂S, smelling like rotten eggs and used in analytical chemistry and industry.

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