Verdigris

Verdigris (verdigris)
n.	(?)
Ver"di*gris
[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

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.

The green rust formed on copper.

[Colloq.]

* 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.

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The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain.
- Wikipedia

Verdigris

Verdigris

Why Donate?

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Donations from Outside of the United States

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News: may

The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain. - Wikipedia

Verdigris

Verdigris

Why Donate?

Donate Using PayPal

Donations from Outside of the United States

Donations by Other Methods

News: may

The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain.
- Wikipedia