D defs.my
Entry 1 sense Webster, 1913

Xanthinine

· Xan·thi·nine · IPA
01 n. A complex nitrogenous substance related to urea and uric acid, produced as a white powder; -- so called because it forms yellow salts, and …
  1. 1.
    A complex nitrogenous substance related to urea and uric acid, produced as a white powder; -- so called because it forms yellow salts, and because its solution forms a blue fluorescence like quinine.(Chem.)