Definition of Freon in English:



  • An aerosol propellant, refrigerant, or organic solvent consisting of one or more of a group of chlorofluorocarbons and related compounds.

    • ‘Earlier over lunch I had been three pages into a biography of the man who invented Freon when the article suddenly made no sense at all - instead of freon, it was now discussing Medieval paint technology.’
    • ‘As a result, the sites contain hazardous materials ranging from old fridges containing freon, which scientists say depletes the ozone layer, to old propane tanks.’
    • ‘Rotten food and harmful gases like freon have to be removed from this debris.’
    • ‘The foundry, now in its fifth year, is one of several successful recycling ventures launched by McDonald; the group also recycles appliances, donated cars and trucks, freon and propane, and clothing, fabrics and books.’
    • ‘Mechanical contractors, through various unions, are providing free services to remove freon from flood-damaged appliances before they are taken to landfills.’


1930s: of unknown origin.