verdigris /vûrˈdi-grēs/

1. Basic cupric acetate
2. (popularly) the green coating of basic cupric carbonate that forms in the atmosphere on copper, brass, or bronze

To coat with verdigris

• cotyledonary
• cotyledonous
• cotyledons
• cotyles
• cotyliform
• cotyloid
• coucal
• coucals
• couch
• couchant
• couch a spear
• couched
• couchee
• couchees
• couches
• couchette
• couchettes
• couch grass
• couch grasses
• couching
• couchings
• couch potato
• couch potatoes
• couchsurfing
• couché