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Definition of freon

freon

/ˈfriː.ɑːn/
fre · on
Plural:freons
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freon Lexical Profile

freon Game Scores & Validity

• noun

1

Any of various nonflammable fluorocarbon or chlorofluorocarbon gases and liquids used primarily as refrigerants, cooling agents in air conditioners, and aerosol propellants.

Example

"The technician checked the old air conditioning unit to make sure it was not leaking freon into the atmosphere."

Synonyms
View all synonyms for freon

Word Nuance & Usage

Although originally a registered trademark for specific halocarbon products, the term is widely used in lowercase as a generic noun for any fluorocarbon refrigerant.

• Rhymes for freon

• Nearby Words

frenzied
frenziedly
frenzy
freon
frequency
frequent
frequenter

Word Origin & Etymology

Coined in the 1930s by chemist Thomas Midgley Jr. and the DuPont corporation as a trademarked name, combining the English word 'free' (or 'freeze') with the chemical suffix '-on' used for inert gases.

Cite this Entry

Wordmom. (2026). Definition of Freon. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/freon
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