n. [ Xantho- + -gen. ] (Chem.) (a) The hypothetical radical supposed to be characteristic of xanthic acid. [ Archaic ] (b) Persulphocyanogen. [ R. ] [ 1913 Webster ]

n. (Chem.) A salt of xanthic acid. [ 1913 Webster ]

a. [ See Xantho-, and -gen. ] (Chem.) Producing a yellow color or compound; xanthic. See Xanthic acid, under Xanthic. [ 1913 Webster ]