# polyanion

> English word · Noun

## Definitions
1. Any anion having more than one negative charge.
2. Any compound having multiple anion moieties, especially one based on a polymer.

## Etymology
From poly- + anion.

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