# Caro's acid

> English word · Proper noun

## Definitions
1. Synonym of peroxymonosulfuric acid.

## Etymology
It was first described in 1898 by the German chemist Heinrich Caro.

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