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verdigris    
n. 铜绿

铜绿

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 verdigris

Verdigris \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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  • Verdigris - Wikipedia
    Uses Verdigris is a naturally occurring protective layer on metals such as copper, brass, and bronze In addition to being a desirable artistic effect, it has been used primarily as a pigment and in now-outdated medicinal preparations When burned, verdigris produces a green flame [22]
  • VERDIGRIS Definition Meaning - Merriam-Webster
    The meaning of VERDIGRIS is a green or greenish-blue poisonous pigment resulting from the action of acetic acid on copper and consisting of one or more basic copper acetates
  • Verdigris Patina Guide: Create Copper Finishes with Acetic Acid
    Verdigris -- the luminous blue-green patina on aged copper -- stands as one of chemistry's most beautiful intersections with art For over 2,000 years, artisans have used acetic acid to transform ordinary copper into a pigment so vivid it defined an era of painting
  • What is Verdigris? The Blue-Green Patina Explained - Halman Thompson
    Verdigris, or verdi gris, is the natural patina that develops on copper, brass, and bronze when they are exposed to the elements over time This distinctive layer is the result of a chemical reaction between the metal and environmental factors such as air, moisture, and pollutants
  • VERDIGRIS | definition in the Cambridge English Dictionary
    The acetic acid, evolved by distilling acetate of copper (verdigris), is the true "aromatic" vinegar of the old alchemists
  • VERDIGRIS Definition Meaning | Dictionary. com
    VERDIGRIS definition: a green or bluish patina formed on copper, brass, or bronze surfaces exposed to the atmosphere for long periods of time, consisting principally of basic copper sulfate See examples of verdigris used in a sentence
  • VERDIGRIS definition and meaning | Collins English Dictionary
    verdigris in American English (ˈvɜːrdɪˌɡris, -ɡrɪs) noun a green or bluish patina formed on copper, brass, or bronze surfaces exposed to the atmosphere for long periods of time, consisting principally of basic copper sulfate
  • Verdigris - Definition, Meaning Synonyms | Vocabulary. com
    Verdigris is the blue-green tarnish on certain metals after they are left outside for a long period of time A lot of churches have rooftops coated with verdigris, and many capitol buildings have verdigris on their domes
  • Verdigris – Architectural Conservation Laboratory
    “Verdigris” refers to the copper salts of acetic acid, predominantly copper acetate, and has long been associated with the corrosion products formed on copper, bronze, and brass when exposed to air and acetic acid
  • VERDIGRIS | English meaning - Cambridge Dictionary
    Verdigris is lightfast in oil paint, as numerous examples of 15th-century paintings show





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