The Collaborative International Dictionary
Hydroferrocyanic
Hydroferrocyanic \Hy`dro*fer`ro*cy*an"ic\, a. [Hydro-, 2 + ferrocyanic.] (Chem.) Pertaining to, or containing, or obtained from, hydrogen, ferrous iron, and cyanogen; as, hydroferrocyanic acid. See Ferrocyanic.
Wiktionary
hydroferrocyanic
a. (context chemistry English) Pertaining to, or containing, or obtained from hydrogen, ferrous iron, and cyanogen.