# freon

> English word · Noun · IPA /ˈfɹiːɒn/ · frequency rank #73,203

## Definitions
1. Any of several nonflammable refrigerants based on halogenated hydrocarbon including R-12, R-22, and R-23.
2. A gaseous ozone-depleting refrigerant.
3. A chlorofluorocarbon.

## Etymology
A genericization of the Chemours trademark "Freon." According to Flood, the name was formed from freeze and the arbitrary suffix -on.

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