# metalammonium

> English word · Noun

## Definitions
1. A hypothetical radical derived from ammonium by the substitution of metallic atoms in place of hydrogen.

## Etymology
From metal + ammonium.

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