verdigris
Posted: Tue Dec 25, 2012 11:51 am
verdigris
noun
[mass noun]
a bright bluish-green encrustation or patina formed on copper or brass by atmospheric oxidation, consisting of basic copper carbonate.
Origin:
Middle English: from Old French verte-gres, earlier vert de Grece 'green of Greece'
Src: Compact OED
noun
[mass noun]
a bright bluish-green encrustation or patina formed on copper or brass by atmospheric oxidation, consisting of basic copper carbonate.
Origin:
Middle English: from Old French verte-gres, earlier vert de Grece 'green of Greece'
Src: Compact OED