'dimethyl xanthine' definitions:

Definition of 'dimethyl xanthine'

From: GCIDE

Theobromine \The`o*bro"mine\, n. (Chem.) 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. [1913 Webster]