Mellone \Mel"lone\, n. (Chem.) A yellow powder, C6H3N9, obtained from certain sulphocyanates. It has acid properties and forms compounds called mellonides. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

Mellone \Mel"lone\, n. (Chem.) A yellow powder, C6H3N9, obtained from certain sulphocyanates. It has acid properties and forms compounds called mellonides.

Source: Webster's Revised Unabridged Dictionary (1913)