verdigris
nounDefinition of verdigris
(Entry 1 of 2)
1a
: a green or greenish-blue poisonous pigment resulting from the action of acetic acid on copper and consisting of one or more basic copper acetates
b
: normal copper acetate Cu(C2H3O2)2·H2O
2
: a green or bluish deposit especially of copper carbonates formed on copper, brass, or bronze surfaces
Verdigris
geographical nameDefinition of Verdigris (Entry 2 of 2)
river 351 miles (565 kilometers) long in southeastern Kansas and northeastern Oklahoma flowing into the Arkansas River
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