The Collaborative International Dictionary of English v.0.48:

Glyoxime \Gly*ox"ime\, n. [Glyoxal + oxime.] (Chem.)
   A white, crystalline, nitrogenous substance, produced by the
   action of hydroxylamine on glyoxal, and belonging to the
   class of oximes; also, any one of a group of substances
   resembling glyoxime proper, and of which it is a type. See
   Oxime.
   [1913 Webster]