/klawr'oh floor'oh meth"ayn, -flawr'-; klohr'oh floor'oh meth"ayn, -flohr'-/ , n.
any of a series of gaseous or volatile methanes substituted with chlorine and fluorine and containing little or no hydrogen: used as refrigerants and, formerly, as aerosol propellants until scientists became concerned about depletion of the atmospheric ozone layer. Cf. chlorofluorocarbon .
[ 1960-65; CHLORO- 2 + FLUORO- + METHANE ]