D defs.my
Entry 1 sense Webster, 1913

Theobromine

· The·o·bro·mine · IPA
01 n. An alkaloidal ureide, C7H8N4O2, homologous with and resembling caffeine, produced artificially, and also extracted from cacao and chocolate…
  1. 1.
    An alkaloidal ureide, C7H8N4O2, homologous with and resembling caffeine, produced artificially, and also extracted from cacao and chocolate (from Theobroma Cacao) as a bitter white crystalline substance; -- called also dimethyl xanthine.(Chem.) Also: dimethyl xanthine