verdigris; copper patina; rust on copper
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
verdigris; copper rust; green patina on copper or bronze
technicalTechnical term used in chemistry, archaeology, and art conservation. Refers specifically to the corrosion products of copper alloys, primarily copper carbonate or copper chloride.
Zhè这
zuò座
qīng青
tóng铜
xiàng像
biǎo表
miàn面
fù覆
gài盖
zhe着
yī一
céng层
hòu厚
hòu厚
de的
tóng铜
xiù锈
。
The surface of this bronze statue is covered with a thick layer of verdigris.
Kǎo考
gǔ古
xué学
jiā家
tōng通
guò过
fēn分
xī析
tóng铜
xiù锈
de的
chéng成
fèn分
lái来
què确
dìng定
wén文
wù物
de的
nián年
dài代
。
Archaeologists determine the age of artifacts by analyzing the composition of the patina.
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Tā他
zhèng正
zài在
yòng用
huà化
xué学
shì试
jì剂
xiǎo小
xīn心
yì翼
yì翼
de地
qù去
chú除
tóng铜
qì器
shàng上
de的
tóng铜
xiù锈
。
He is carefully removing the verdigris from the copperware using chemical reagents.