oil of vitriol oil of turpentine • oil of wintergreen · · · Info · Definitions · Synonyms · Characters · · oil of vitriol · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) (H2SO4) a highly corrosive acid made from sulfur dioxide; widely used in the chemical industry. Synonyms: vitriol, oil of vitriol, sulfuric acid, sulphuric acid. · · Noun Definition 1 Synonyms · · · vitriol · · Synonym 1 sulfuric acid · · Synonym 2 sulphuric acid · · Synonym 3 Characters · · space U+0020 f latin small letter f U+0066 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 t latin small letter t U+0074 v latin small letter v U+0076