(|)dī|klōrōˌdī|flu̇(ə)rō+ noun
Etymology: dichlor- + difluor- + methane
: a nontoxic nonflammable easily liquefiable gas CCl 2 F 2 made from carbon tetrachloride by reaction with antimony trifluoride and used as a refrigerant in refrigerators and air-conditioning units and as a propellant in aerosols