# thiocarboxylic acid

> English word · Noun

## Definitions
1. any analogue of a carboxylic acid, or general formula RC(=S)OH, RC(=O)SH or RC(=S)SH in which one or both of the oxygen has been replaced by sulfur

## Etymology
From thio- + carboxylic acid.

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