ver·di·gris /ˈvɝdəˌgris, ˌgrɪs, grəs ||ˌgri/
銅綠
ver·di·gris /ˈvɝdəˌgrɪs, ˌgrɪs, grəs , ˌgrɪ/ 名詞
銅綠,孔雀藍色
Ver·di·gris n.
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.
2. The green rust formed on copper. [Colloq.]
Note: ☞ This rust is a carbonate of copper, and should not be confounded with true verdigris.
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.
Ver·di·gris, v. t. To cover, or coat, with verdigris. [R.] “An old verdigrised brass bugle.”
◄ ►
verdigris
n 1: a blue or green powder used as a paint pigment [syn: 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 : color verdigris