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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 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brass, and bronze In addition to being a desirable artistic effect, it has been used primarily as a pigment and in now-outdated medicinal preparations When burned, verdigris produces a green flame [22]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
  • Electrical Intelligence for AI Data Centers | Verdigris
    The validation layer for AI data centers Verdigris uses 8 kHz waveform analysis to detect equipment degradation and prevent outages
  • 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
    FROM THE CREATORS OF THE MONARCH BAR, THE MERCURY ROOM JADE JAGUAR
  • 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 | Dictionary. 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 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
  • Verdigris: a fascinating yet hazardous pigment - ritaudina. com
    Verdigris, a green copper pigment used since antiquity in manuscripts, maps and paintings, stands out for its great historical importance but also for the risks it poses to their preservation
  • Verdigris: What It Is and Why It Shows Up on Coins
    Verdigris is that weird green stuff you sometimes see on old copper or bronze coins It can range from a faint, minty haze to thick, crusty blobs that look like the coin was stored in a compost pile





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