blue vitriol blue-violet • blue wall · · · Info · Definitions · Synonyms · Characters · · blue vitriol · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) hydrated blue crystalline form of copper sulfate. Synonyms: blue vitriol, blue copperas, blue stone, chalcanthite. · · Noun Definition 1 Synonyms · · · blue copperas · · Synonym 1 blue stone · · Synonym 2 chalcanthite · · Synonym 3 Characters · · space U+0020 b latin small letter b U+0062 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 t latin small letter t U+0074 u latin small letter u U+0075 v latin small letter v U+0076