verdigris: Meaning and Definition of

ver•di•gris

Pronunciation: (vûr'di-grēs", -gris), [key]
— n.
  1. a green or bluish patina formed on copper, brass, or bronze surfaces exposed to the atmosphere for long periods of time, consisting principally of basic copper sulfate. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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