Hypertext Webster Gateway: "verditer"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Verditer \Ver"di*ter\, n. [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.
{Verditer blue}, a pale greenish blue color, like that of the
pigment verditer.
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