# metargon

> English word · Noun

## Definitions
1. A supposed noble gas, once thought to exist in minute amounts in the atmosphere as a result of a flawed study of density spectra.

## Etymology
From meta- + argon.

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