a white, crystalline, water-insoluble, poisonous powder, C7H8N4O2, an isomer of theophylline and lower homologue of caffeine, occurring in tea and obtained from the cacao bean: used chiefly as a diuretic, myocardial stimulant, and vasodilator.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use theobromine in a sentence
Both contain stimulating alkaloids, theobromine and caffeine, and fat is a notable constituent of cocoa.The Home of the Blizzard | Douglas Mawson
This first term gives rise to a series of bodies in lateral groups, of which the most interesting are caffeine and theobromine.The Healthy Life, Vol. V, Nos. 24-28 | Various
Caffeine and theobromine enjoy nervine properties and energetic vascular actions.The Healthy Life, Vol. V, Nos. 24-28 | Various
Chemical investigation indicates that caffeine and theine are the same and theobromine is a closely related substance.Foods and Household Management | Helen Kinne
It is slightly stimulating as well, because of the theobromine present and because it is served hot.Ontario Teachers' Manuals: Household Science in Rural Schools | Ministry of Education Ontario
British Dictionary definitions for theobromine
a white crystalline slightly water-soluble alkaloid that occurs in many plants, such as tea and cacao: formerly used to treat asthma. Formula: C 7 H 8 N 4 O 2: See also xanthine (def. 2)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for theobromine
A bitter, colorless alkaloid that occurs in the cacao bean, cola nuts, and tea. It is found in chocolate products and used in medicine as a diuretic, vasodilator, and myocardial stimulant. Theobromine is a xanthine and similar in structure to caffeine and theophylline. Chemical formula: C7H8N4O2.
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