# peroxophosphate

> English word · Noun

## Definitions
1. The anion PO₅³⁻, derived from peroxophosphoric acid, which is a powerful oxidizing agent.

## Etymology
From peroxophosphoric acid + -ate (“derivative”).

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