verditer blue

1 definition found

verditer blue - Collaborative International Dictionary of English v.0.48 :

  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.
         [1913 Webster]
  
     Verditer blue, a pale greenish blue color, like that of the
        pigment verditer.
        [1913 Webster]