What did Antoine Lavoisier call carbon dioxide?

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Portrait of French chemist Antoine Laurent Lavoisier, shown in formal 18th-century attire with a white wig and ruffled cravat, looking slightly to his left. — Antoine Lavoisier Antoine Lavoisier.

Antoine Lavoisier did not coin the term "carbon dioxide." Instead, he referred to the substance as fixed air, a name originally used by Joseph Black. Lavoisier later identified this gas as a gaseous form of oxidized carbon as part of his development of a new system of chemical nomenclature.1