American English

Definition of verdigris noun from the Oxford Advanced American Dictionary

 

verdigris

 noun
noun
NAmE//ˈvərdəˌɡris//
 
, NAmE//ˈvərdəˌɡri//
 
[uncountable]
 
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the greenish substance which forms, for example on roofs, when copper reacts with the air
See the Oxford Advanced Learner's Dictionary entry: verdigris