• (a.) Pertaining to, or designating, a complex nitrogenous acid obtained by decomposition of melam, or of urea, as a white crystalline powder; -- called also melanurenic acid.
Mel`a·nu'ric adjective [ Melam + urea .] (Chemistry) Pertaining to, or designating, a complex nitrogenous acid obtained by decomposition of melam, or of urea, as a white crystalline powder; -- called also melanurenic acid . 
Type: Term Pronunciation: mel′ă-nyū′rik Definitions: 1. Pertaining to or characterized by melanuria.