verditer Meaning, Definition & Usage

F. vert-de-terre, literally, green of earth.

(Chem.) (a) Verdigris. Obs. (b) 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.