Quinoxaline
Pronunciation : Quin*ox"a*line
Part of Speech : n.
Etymology : [Quinoline + glyoxal.] (Chem.)
Definition : Defn: Any one of a series of complex nitrogenous bases obtained by the union of certain aniline derivatives with glyoxal or with certain ketones. [Written also chinoxaline.]
Source : Webster's Unabridged Dictionary, 1913