The Collaborative International Dictionary
Prussiate \Prus"si*ate\, n. [Cf. F. prussiate.] (Chem.) A salt of prussic acid; a cyanide.
Red prussiate of potash. See Potassium ferricyanide, under Ferricyanide.
Yellow prussiate of potash. See Potassium ferrocyanide, under Ferrocyanide.
Wiktionary
n. (context chemistry obsolete English) A ferricyanide, ferrocyanide or cyanide.
WordNet
Usage examples of "prussiate".
The following is a very effectual remedy: take twenty grains of quinine, combined with one drachm of prussiate of iron, and divide it into ten powders, and administer a powder every three hours until the pain is completely arrested.
Apply chloride of lime, to be followed by a solution of yellow prussiate of potash: absence of a blue coloration leaves orchil and logwood to be considered.
The following is a very effectual remedy: take twenty grains of quinine, combined with one drachm of prussiate of iron, and divide it into ten powders, and administer a powder every three hours until the pain is completely arrested.
Doc knew immediately what it must be - some form of yellow prussiate of potash.