*cyanide*

n. See Dicyanide. [ 1913 Webster ]

n. [ Cf. F. cyanide. See Cyanic. ] (Chem.) A compound formed by the union of cyanogen with an element or radical. [ 1913 Webster ]

n. [ Pref. di- + cyanogen. ] (Chem.) A compound of a binary type containing two cyanogen groups or radicals; -- called also bicyanide. [ 1913 Webster ]

n. [ Ferri- + cyanide. ] (Chem.) One of a complex series of double cyanides of ferric iron and some other base. [ 1913 Webster ]

Potassium ferricyanide (Chem.), red prussiate of potash; a dark, red, crystalline salt, K6(CN)12Fe2, consisting of the double cyanide of potassium and ferric iron. From it is derived the ferrous ferricyanate, Turnbull's blue. [ 1913 Webster ]

n. [ Ferro- + cyanide. ] (Chem.) One of a series of complex double cyanides of ferrous iron and some other base. [ 1913 Webster ]

Potassium ferrocyanide (Chem.), yellow prussiate of potash; a tough, yellow, crystalline salt, K4(CN)6Fe, the starting point in the manufacture of almost all cyanogen compounds, and the basis of the ferric ferrocyanate, prussian blue. It is obtained by strongly heating together potash, scrap iron, and animal matter containing nitrogen, as horn, leather, blood, etc., in iron pots. [ 1913 Webster ]

n. (Chem.) A compound of hydrocyanic acid with a base; -- distinguished from a cyanide, in which only the cyanogen so combines.

n. (Chem.) A double cyanide of platinum and some other metal or radical; a salt of platinocyanic acid. [ 1913 Webster ]