chlorofluorocarbons Share definition Flag A man-made chemical that is thinning our Stratosphere's ozone layer. Eventually the chlorofluorocarbons are going to burn through the ozone layer and destroy the earth. chlorofluorocarbons by Awesomerthanyou August 4, 2015 0 0 Get merch Get the chlorofluorocarbons mug. Buy Now — $32.95 See more merch