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verdigris n. 銅綠 銅綠 verdigris n 1: a blue or green powder used as a paint pigment [ synonym: { verdigris}, { cupric acetate}] 2: a green patina that forms on copper or brass or bronze that has been exposed to the air or water for long periods of time v 1: color verdigrisVerdigris \ Ver" di* gris\, n. [ F. vert- de- gris, apparently from verd, vert, green de of gris gray, but really a corruption of LL. viride aeris ( equivalent to L. aerugo), from L. viridis green aes, aeris, brass. See { Verdant}, and 2d { Ore}.] 1. ( Chem.) A green poisonous substance used as a pigment and drug, obtained by the action of acetic acid on copper, and consisting essentially of a complex mixture of several basic copper acetates. [ 1913 Webster] 2. The green rust formed on copper. [ Colloq.] [ 1913 Webster] Note: This rust is a carbonate of copper, and should not be confounded with true verdigris. -- U. S. Disp. [ 1913 Webster] { Blue verdigris} ( Chem.), a verdigris having a blue color, used as a pigment, etc. { Distilled verdigris} ( Old Chem.), an acid copper acetate; -- so called because the acetic acid used in making it was obtained from distilled vinegar. { Verdigris green}, clear bluish green, the color of verdigris. [ 1913 Webster]
Verdigris \ Ver" di* gris\, v. t. To cover, or coat, with verdigris. [ R.] " An old verdigrised brass bugle." -- Hawthorne. [ 1913 Webster]
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