Pronunciation: (floor"ō-kär"bun, flôr'-, flōr'-), [key]
n. Chem.
any of a class of compounds produced by substituting fluorine for hydrogen in a hydrocarbon, and characterized by great chemical stability: used chiefly as a lubricant, refrigerant, fire extinguishing agent, and in industrial and other applications in which chemical, electrical, flame, and heat resistance is essential; banned as an aerosol propellant in the U.S. because of concern about ozone layer depletion. Cf. chlorofluorocarbon, chlorofluoromethane.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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