Verditer

[vә:ditә]

解释:

(n.) Verdigris.

(n.) Either one of two pigments (called blue verditer, and green verditer) which are made by treating copper nitrate with calcium carbonate (in the form of lime, whiting, chalk, etc.) They consist of hydrated copper carbonates analogous to the minerals azurite and malachite.

编辑:弗吉尼亚

解释:

n. a light-blue pigment essentially a hydrated cupric carbonate—Green verditer is the blue pigment changed to green by boiling.

安琪编辑