# persulfuric acid

> English word · Noun

## Definitions
1. Either of two acids formally derived from sulfuric acid by replacing a -OH group with a -OOH group.

## Etymology
From per- + sulfuric acid.

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