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Definitions for: Verdigris
[n] 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
[n] a blue or green powder used as a paint pigment
[v] color verdigris
Webster (1913) Definition: 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.
2. The green rust formed on copper. [Colloq.]
Note: This rust is a carbonate of copper, and should not be
confounded with true verdigris. --U. S. Disp.
Blue verdigris (Chem.), a verdigris having a blue color,
used 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.
Ver"di*gris, v. t.
To cover, or coat, with verdigris. [R.] ``An old verdigrised
brass bugle.'' --Hawthorne.
Synonyms: cupric acetate
See Also: color, color in, colorise, colorize, colour, colour in, colourise, colourize, patina, pigment
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