# polyoxoanion

> English word · Noun

## Definitions
1. Any of several complex polymeric oxoanions, especially those of larger transition elements

## Etymology
From poly- + oxoanion.

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