From Longman Dictionary of Contemporary Englishcarbon dioxideˌcarbon diˈoxide noun [uncountable] HBHCCthe gas produced when animals breathe out, when carbon is burned in air, or when animal or vegetable substances decay
Examples from the Corpus
carbon dioxide• Carbon Dioxide An increase in the amount of carbon dioxide is responsible for about half the total warming.• The safety mattress also produced only half as much carbon monoxide and carbon dioxide.• Life generates methane, ammonia, oxygen, hydrogen, carbon dioxide, and many other gases.• Catalysts convert carbon monoxide into carbon dioxide, which is less toxic, but equally polluting to the environment.• The most obvious source, and one that is ubiquitous on the Martian surface, is carbon dioxide in the atmosphere.• It takes carbon dioxide and gives oxygen.• This surface reaction of oxygen and carbon releases carbon monoxide which migrates outward and upon encountering oxygen burns to carbon dioxide.• To flood the air with carbon dioxide, the biospherians hauled back the tons of dried grass clippings they had removed earlier. 