a type of gas previously used especially in aerosols (= types of container that release liquid in very small drops). CFCs are harmful to the earth’s ozone layer and are generally no longer used in these products. (the abbreviation for ‘chlorofluorocarbon’) compare HCFCTopics The environmentc2氯氟碳化物;氯氟烃(全写为 chlorofluorocarbon,尤用于喷雾剂,对臭氧层有害)