Freon

[free-on]

Trademark.

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

Freon

/ ˈfriːɒn /

noun

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