also: りょくしょう
verdigris; green rust on copper
Refers to the greenish patina that forms on copper, brass, or bronze surfaces due to oxidation. Often seen on old statues, roofs, and coins.
Verdigris has formed on the bronze statue.
Old ten-yen coins sometimes have green rust on them.
Verdigris had formed on the surface of the old bronze statue.
The craftsman carefully cleaned the verdigris off the pot.