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[thee-uh-broh-meen, -min] /ˌθi əˈbroʊ min, -mɪn/
noun, Pharmacology
a white, crystalline, water-insoluble, poisonous powder, C 7 H 8 N 4 O 2 , 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.
Origin of theobromine
1835-45; < New Latin Theobrom(a) genus of trees typified by cacao (< Greek theo- theo- + brôma food) + -ine2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for theobromine


/ˌθiːəʊˈbrəʊmiːn; -mɪn/
a white crystalline slightly water-soluble alkaloid that occurs in many plants, such as tea and cacao: formerly used to treat asthma. Formula: C7H8N4O2 See also xanthine (sense 2)
Word Origin
C18: from New Latin theobroma genus of trees, literally: food of the gods, from theo- + Greek brōma food + -ine²
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
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theobromine in Medicine

theobromine the·o·bro·mine (thē'ō-brō'mēn')
A bitter, colorless alkaloid found in chocolate products and used as a diuretic, vasodilator, and myocardial stimulant.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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theobromine in Science
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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