Verdigris

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 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.

Игры ⚽ Поможем написать курсовую
Synonyms:

Look at other dictionaries:

  • 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 — puede referirse a: Cardenillo, una mezcla venenosa de acetatos de cobre que aparece en las pátinas verdosas o azuladas de materiales de cobre y algunas de sus aleaciones y que es utilizado como pigmento. Río Verdigris, un río de Oklahoma y Kansas …   Wikipedia Español

  • Verdigris — Ver di*gris, v. t. To cover, or coat, with verdigris. [R.] An old verdigrised brass bugle. Hawthorne. [1913 Webster] …   The Collaborative International Dictionary of English

  • 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 — 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

  • verdigris — noun a) A blue green patina that forms on copper containing metals. Lets to the museum. Cannon balls, arrow heads; Roman glass and a forceps green with verdigris. b) Copper acetate …   Wiktionary

  • Verdigris — Original name in latin Verdigris Name in other language State code US Continent/City America/Chicago longitude 36.23482 latitude 95.69109 altitude 192 Population 3993 Date 2011 05 14 …   Cities with a population over 1000 database

  • verdigris — [14] Etymologically, verdigris means ‘green of Greece’. It comes from Old French vertegrez, a conflation of vert de Grece ‘green of Greece’ (vert came from Latin viridis ‘green’, which also gave English verdant [16] and verdure [14] and may be… …   The Hutchinson dictionary of word origins

  • verdigris — [[t]vɜ͟ː(r)dɪgrɪs, griːs[/t]] N UNCOUNT 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 …   English dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”