OXALYL Ox"a*lyl, n. Etym: [Oxalic + -yl.] (Chem.) (a) A hydrocarbon radical (C2O2) regarded as a residue of oxalic acid and occurring in derivatives of it. (b) An old name for carbonyl. (c) An old name for carboxyl.

OXAMATE
Ox*am"ate, n. (Chem.)

Defn: A salt of oxamic acid.

OXAMETHANE
Ox`a*meth"ane, n. Etym: [Oxamic + ethyl.] (Chem.)

Defn: Ethyl oxamate, obtained as a white scaly crystalline powder.

OXAMETHYLANE
Ox`a*meth"yl*ane, n. Etym: [Oxamic + methyl.] (Chem.)

Defn: Methyl oxamate, obtained as a pearly white crystalline substance.

OXAMIC
Ox*am"ic, a. Etym: [Oxalic + amido] (Chem.)

Defn: Pertaining to, or designating, an acid NH2.C2O2.HO obtained as a fine crystalline powder, intermediate between oxalic acid and oxamide. Its ammonium salt is obtained by boiling oxamide with ammonia.

OXAMIDE
Ox*am"ide, n, Etym: [Oxalic + amide.] (Chem.)