Definitions for "Freon"
A general term used to identify, any of a group of partially or completely halogenated simple hydrocarbons containing fluorine, chlorine or bromine, which are used as refrigerants.
See chlorofluorocarbons.
a class of coolants made from carbon, chlorine, and fluorine (the coolant used in the shuttle experiment was C-113, which boils at 47.6 degrees Celsius)