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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

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

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