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verdigris

/ˈvɝ.də.ɡɹis/ noun

In Latin: aerūgō Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about verdigris at Wordnik → Where our words come from →

  1. A blue-green patina or rust that forms on copper-containing metals.
  2. Copper acetate.
  3. The color of this patina or material.
    verdigris:

verb

  1. To cover or coat with verdigris.

Origin

From Middle English vertegrece, verdegres, from Old French verte grez (literally “acidic green”), an alteration of older verte de Grece (literally “green of Greece”). The modern French writing of this word is vert-de-gris (literally “green of gray”).

From Wiktionary, via Kaikki.org (CC BY-SA)