Freon

American

[free-on] / ˈfri ɒn /

Trademark.

a brand name for any of a class of liquid or gaseous fluorocarbon or chlorofluorocarbon products, used chiefly as refrigerants.

Freon British

/ ˈfriːɒn /

noun

any of a group of chemically unreactive chlorofluorocarbons used as aerosol propellants, refrigerants, and solvents

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In the 1930s, Freon made the domestic refrigerator a staple of the American middle-class kitchen.

From The Wall Street Journal • Apr. 24, 2026

It was only the next day that he visited a mechanic and learned the air conditioner had run out of Freon.

From Los Angeles Times • Jul. 7, 2023

At DuPont, the new arrangement housed the company's Freon refrigerant division.

From Scientific American • Mar. 20, 2023

In his prelude to “After Cooling,” Eric Dean Wilson tells us that he started his research not knowing “a tank of Freon from propane.”

From New York Times • Jul. 20, 2021

As I lean my head back, the world drifts away, tinged by the smell of Freon and Cadillac leather.

From "The Help" by Kathryn Stockett

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023