lavoisier lavishness • lavolta · · · Info · Definitions · Characters · · lavoisier · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) French chemist known as the father of modern chemistry; discovered oxygen and disproved the theory of phlogiston (1743-1794). Synonyms: Lavoisier, Antoine Lavoisier, Antoine Laurent Lavoisier. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 v latin small letter v U+0076