Word.ws English Dictionary

freon

/ˈfɹiːɒn/

freon noun: any of several nonflammable refrigerants based on halogenated hydrocarbon including R-12, R-22, and R-23.

Noun (1)

freon (countable and uncountable, plural freons)

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

Noun (2) capitalized: Freon

Freon (uncountable)

  1. Alternative letter-case form of freon.

Forms of freon

pluralfreons
alternative formFreon

Origin of freon

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

Words that rhyme with freon

Questions about freon

What does freon mean?
Freon means any of several nonflammable refrigerants based on halogenated hydrocarbon including R-12, R-22, and R-23.
What part of speech is freon?
Freon is a noun.
How do you pronounce freon?
Freon is pronounced /ˈfɹiːɒn/.
What is the plural of freon?
The plural of freon is freons.

Words near freon in the dictionary

  1. frenzily
  2. frenzy
  3. frenzying
  4. Freo
  5. Freo Doctor
  6. freon
  7. freons
  8. freq
  9. freq.
  10. freqs
  11. frequence

Source and license

Adapted from Wiktionary: freon (page history and authors); Freon (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-freon.ogg.

Cite this entry: “freon.” Word.ws, https://word.ws/freon. Based on Wiktionary, CC BY-SA 4.0.