# thioacid

> English word · Noun

## Definitions
1. Any acid formally derived from an oxyacid by replacement of one or more oxygen atoms with sulfur.

## Etymology
From thio- + acid.

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