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Freon

American  
[free-on] / ˈfri ɒn /
Trademark.
  1. a brand name for any of a class of liquid or gaseous fluorocarbon or chlorofluorocarbon products, used chiefly as refrigerants.


Freon British  
/ ˈfriːɒn /

noun

  1. 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

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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

The vessel was reported to have an estimated 55,000 gallons of diesel and 19,000 pounds of Freon, a noncombustible gas commonly used as a refrigerant.

From New York Times Apr. 10, 2023

Freon began to be phased out in 1987 because it was destroying Earth's ozone layer.

From Scientific American Mar. 20, 2023

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

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