The Collaborative International Dictionary
Oxamic
Oxamic \Ox*am"ic\, a. [Oxalic + amido] (Chem.) Pertaining to, or designating, an acid NH2.CO.CO.HO obtained as a fine crystalline powder, intermediate between oxalic acid and oxamide. Its ammonium salt is obtained by boiling oxamide with ammonia.
Wiktionary
oxamic
a. (context organic chemistry English) Of or pertaining to oxamic acid or its derivatives