Verdigris Definition & Meaning

Origin of Verdigris

Middle English vertegrez from Old French verte grez alteration of vert-de-Grice verd green verdant de of (from Latin dē de–) Grice , Greece

From American Heritage Dictionary of the English Language, 5th Edition
From french vert-de-gris.

From Wiktionary

Evidently the idea of the great Yokoya experts, the originators of the style, was to break away from the somewhat formal monotony of ordinary engraving, where each line performs exactly the same function, and to convert the chisel into an artists i It is first boiled in a lye obtained by lixiviating wood ashes; it is next polished with charcoal powder; then immersed in plum vinegar and salt; then washed with weak lye and placed in a, tub of water to remove all traces of alkali, the final step being to digest in a boiling solution of copper sulphate, verdigris and water.
Ferrous and ferric acetates are used as mordants; normal lead acetate is known in commerce as sugar of lead; basic copper acetates are known as verdigris.
The woodwork is finished in white, with a verdigris copper roof.
Made out of verdigris resin, the dragon sphere can be enjoyed year-long.
This means that left alone, the sink will darken with age, eventually beginning to verdigris or take on a green hue.

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