blue vitriol

blue vitriol
blue′ vit′riol
chem. mir a hydrous copper sulfate, CuSO4∙5H2O
Etymology: 1760–70

From formal English to slang. 2014.

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  • Blue vitriol — Vitriol Vit ri*ol, n. [F. vitriol; cf. Pr. vitriol, vetriol, Sp. & Pg. vitriolo, It. vitriuolo; fr. L. vitreolus of glass, vitreus vitreous. See {Vitreous}.] (Chem.) (a) A sulphate of any one of certain metals, as copper, iron, zinc, cobalt. So… …   The Collaborative International Dictionary of English

  • Blue vitriol — Blue Blue (bl[=u]), a. [Compar. {Bluer} (bl[=u] [ e]r); superl. {Bluest}.] [OE. bla, blo, blew, blue, livid, black, fr.[=a]r livid; akin to Dan. blaa blue, Sw. bl[*a], D. blauw, OHG. bl[=a]o, G. blau; but influenced in form by F. bleu,… …   The Collaborative International Dictionary of English

  • blue vitriol — n. 1. CHALCANTHITE 2. COPPER SULFATE …   English World dictionary

  • blue vitriol — Chem., Mineral. a salt, copper sulfate, CuSO4·5H2O, occurring naturally as large transparent, deep blue triclinic crystals, appearing in its anhydrous state as a white powder: used chiefly as a mordant, insecticide, fungicide, and in engraving.… …   Universalium

  • blue vitriol — noun hydrated blue crystalline form of copper sulfate • Syn: ↑blue copperas, ↑blue stone, ↑chalcanthite • Hypernyms: ↑copper sulfate, ↑copper sulphate, ↑cupric sulfate, ↑cupric sulphate …   Useful english dictionary

  • blue-vitriol — n. Sulphate of copper, blue stone …   New dictionary of synonyms

  • blue vitriol — /blu ˈvɪtriəl/ (say blooh vitreeuhl) noun the hydrated sulphate of copper, CuSO4.5H2O, a compound occurring in large, transparent, deep blue triclinic crystals …  

  • blue vitriol — noun Date: 1728 a hydrated copper sulfate CuSO4•5H2O …   New Collegiate Dictionary

  • blue vitriol — n. copper sulfate …   English contemporary dictionary

  • blue vitriol — noun archaic crystalline copper sulphate …   English new terms dictionary

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