dioxydum carbonicum

== Latin == === Pronunciation === (Classical Latin) IPA(key): [diˈɔk.sy.dũː karˈbɔ.nɪ.kũː] (modern Italianate Ecclesiastical) IPA(key): [diˈɔk.si.dum karˈbɔː.ni.kum] === Noun === dioxydum carbōnicum n (genitive dioxydī carbōnicī); second declension (New Latin, chemistry) carbon dioxide 2015, Pope Franciscus, “Laudato si’. [1], Litterae Encyclicae, Vatican: ==== Declension ==== Second-declension noun (neuter) with a second-declension adjective.