any of various nonreactive halocarbons containing carbon, fluorine, and, in some cases, hydrogen: used as aerosols, lubricants, electrical insulators, etc.
See fluorocarbon in American Heritage Dictionary 4
noun
An inert liquid or gaseous halocarbon compound in which fluorine replaces some or all hydrogen molecules, used as aerosol propellants, refrigerants, solvents, and lubricants and in making plastics and resins.