# thiol

> English word · Noun · IPA /ˈθaɪˌɒl/ · frequency rank #84,829

## Definitions
1. A univalent organic radical (-SH) containing a sulphur and a hydrogen atom; a compound containing such a radical.

## Etymology
From thio- + -ol.

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