(n.) 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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). theobromine. Retrieved September 23, 2026, from http://smartdefine.org/theobromine/definitions/2071834 |
| Chicago | Webster's. 2011. "theobromine" http://smartdefine.org/theobromine/definitions/2071834 (accessed September 23, 2026). |
| Harvard | Webster's 2011, theobromine, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/theobromine/definitions/2071834>. |
| MLA | Webster's. "theobromine" 28 May 2011. Web. 23 September 2026. <http://smartdefine.org/theobromine/definitions/2071834> |