\Fer`ri*cy*an"ic\, a. [Ferri- + cyanic.] (Chem.)
Pertaining to, or derived from, a ferricyanide.

{Ferricyanic acid} (Chem.), a brown crystalline substance,
   {H6(CN)12Fe2}, obtained from potassium ferricyanide, and
   regarded as the type of the ferricyanides; -- called also
   {hydro-ferricyanic acid}, {hydrogen ferricyanide}, etc.