Blue Vitriol (noun) Definition, Meaning & Examples

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noun Chemistry, Mineralogy.
  1. 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.
noun
  1. the fully hydrated blue crystalline form of copper sulphate
    Blue Vitriol (noun) Definition, Meaning & Examples

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