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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
    Verdigris is a collective term for copper acetate, whose chemical varieties produce different hues The technical literature is inconsistent in describing these variations Some sources refer to "neutral verdigris" as copper (II) acetate monohydrate (Cu (CH3CO2)2· (H2O)) and to "blue verdigris" as Cu (CH3CO2)2·CuO· (H2O)6 [17]
  • Verdigris: The Color of Oxidation, Statues, and Impermanence
    For many hundreds of years, verdigris was the most brilliant green readily available to painters In the Middle Ages and during the Renaissance, artists commonly manufactured verdigris by hanging copper plates over boiling vinegar and collecting the crust that formed on the metal
  • 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
  • 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
  • The Changing Nature of Verdigris - Copper
    The fact that verdigris is an exceptionally changeable pigment is its most fascinating aspect All pigments change somewhat over time, but verdigris can have wide mood swings While it is generally thought to be lightfast in oil paintings, it has very little light or air resistance in other media
  • The Art and Science of Verdigris: How Acetic Acid Brings Copper to Lif
    Unveiling the magic behind verdigris, the vibrant green pigment that has enchanted artists for centuries Discover how acetic acid plays a pivotal role in transforming copper into this mesmerizing hue
  • 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 | English meaning - Cambridge Dictionary
    VERDIGRIS definition: 1 a blue-green layer that forms on copper, brass, or bronze 2 a blue-green layer that forms on… Learn more
  • VERDIGRIS definition and meaning | Collins English Dictionary
    Verdigris is a greenish-blue substance that forms on the metals copper, brass, and bronze after they have been left in wet or damp conditions Water is delivered into the small sink via a copper pipe from a verdigris lion's head Collins COBUILD Advanced Learner’s Dictionary Copyright © HarperCollins Publishers
  • Patina vs. Verdigris — What’s the Difference?
    Patina refers to any aging surface on metals, stone, or wood, enhancing beauty, while verdigris is a specific green patina on copper or bronze due to oxidation





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