Verdigris green

Verdigris green
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 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]


The Collaborative International Dictionary of English. 2000.

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  • verdigris green — noun see verdigris I, 4 …   Useful english dictionary

  • 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… …   The Collaborative International Dictionary of English

  • Verdigris — is the common name for the green coating or patina formed when copper, brass or bronze is weathered and exposed to air or seawater over a period of time. It is usually a basic copper carbonate, but near the sea will be a basic copper chloride.… …   Wikipedia

  • verdigris — [vʉr′di grēs΄, vʉr′digris] n. [ME vertegrez < MFr verdegris < OFr vert de Grece, lit., green of Greece < verd, green (see VERT1) + de, of + Grece, Greece] 1. a green or greenish blue poisonous compound, a basic acetate of copper,… …   English World dictionary

  • Verdigris (disambiguation) — *Verdigris common term for Copper(II) acetate, the green patina that forms on copper, brass and bronze, and which is used as a pigment *Verdigris River a river in Oklahoma and Kansas *Verdigris, Oklahoma a town in the Tulsa Metropolitan Area… …   Wikipedia

  • verdigris — c.1300, from O.Fr. verte grez (13c.), verte de Grece (late 12c.), lit. green of Greece, from obsolete Fr. verd, from L. viridis (see VERDURE (Cf. verdure)). The reason for it being called that is not known. In chemistry, confined to a basic… …   Etymology dictionary

  • verdigris — ► NOUN ▪ a bright bluish green encrustation or patina formed on copper or brass by atmospheric oxidation. ORIGIN from Old French vert de Grece green of Greece …   English terms dictionary

  • green — [adj1] young, new, blooming bosky, budding, burgeoning, callow, developing, flourishing, foliate, fresh, grassy, growing, half formed, immature, infant, juvenile, leafy, lush, maturing, pliable, puerile, pullulating, raw, recent, sprouting,… …   New thesaurus

  • verdigris —  Green rust on copper or brass …   Bryson’s dictionary for writers and editors

  • Blue 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.… …   The Collaborative International Dictionary of English

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