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verdigris
[ vur-di-grees, -gris ]
noun
- 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.
verdigris
/ ˈvɜːdɪɡrɪs /
noun
- a green or bluish patina formed on copper, brass, or bronze and consisting of a basic salt of copper containing both copper oxide and a copper salt
- a green or blue crystalline substance obtained by the action of acetic acid on copper and used as a fungicide and pigment; basic copper acetate
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Other Words From
- verdi·grisy adjective
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Word History and Origins
Origin of verdigris1
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Word History and Origins
Origin of verdigris1
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Example Sentences
The spotted bass was taken only in tributaries of the Verdigris River, where it seemed more numerous than the preceding species.
When combined with copper it makes verdigris; and from this union heat alone will expel it in a concentrated state.
The solution of copper in the vegetable acid is called verdigris.
Specimens killed in alcohol are also less liable to be attacked by verdigris when pinned than those killed by some other method.
To his disappointment he found most of the rifles in unserviceable condition, covered with rust and verdigris.
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