D defs.my
Entry 1 sense Webster, 1913

Quinoxaline

· Quin·ox·a·line · IPA
01 n. Any one of a series of complex nitrogenous bases obtained by the union of certain aniline derivatives with glyoxal or with certain ketones.
  1. 1.
    Any one of a series of complex nitrogenous bases obtained by the union of certain aniline derivatives with glyoxal or with certain ketones.(Chem.)