blue vitriol
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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. Icel.bl[=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 — blue′ vit′riol n. chem. mir a hydrous copper sulfate, CuSO4∙5H2O • Etymology: 1760–70 … From formal English to slang
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 — n. copper sulfate … English contemporary dictionary
blue vitriol — noun archaic crystalline copper sulphate … English new terms dictionary
