Definition of verdigris noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈvɜːdɪɡriː//
; NAmE NAmE//ˈvɜːrdɪɡriː//
; BrE BrE//ˈvɜːdɪɡriːs//
; NAmE NAmE//ˈvɜːrdɪɡriːs//
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the greenish substance which forms, for example on roofs, when copper reacts with the air Word OriginMiddle English: from Old French verte-gres, earlier vert de Grece ‘green of Greece’.
See the Oxford Advanced American Dictionary entry: verdigris