theobromine
noun
theo·bro·mine
ˌthē-ə-ˈbrō-ˌmēn 
-mən
-mən
: a bitter alkaloid C7H8N4O2 closely related to caffeine that occurs especially in cacao beans and has stimulant and diuretic properties
Examples of theobromine in a Sentence
Recent Examples on the Web
The website PetMD explains that chocolate contains toxic chemicals, such as theobromine and caffeine, which can cause severe health issues.
—
Alyce Collins, MSNBC Newsweek, 3 Oct. 2025
According to some research, theobromine may positively influence cholesterol levels, reducing LDL and increasing high-density lipoprotein (HDL) or good cholesterol levels.
—Amy Brownstein, Ms, Rdn, Verywell Health, 31 Jan. 2025
Yule logs, chocolate Christmas candies, hot chocolate and more are off the list for dogs, as chocolate contains theobromine, which is toxic to them.
—Daniel R. Depetris, Newsweek, 14 Dec. 2024
According to Apolo, theobromine, an alkaloid in the cacao beans used to make chocolate, makes chocolate toxic to canines.
—Kelli Bender, People.com, 29 Oct. 2024
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Alyce Collins, MSNBC Newsweek, 3 Oct. 2025
According to some research, theobromine may positively influence cholesterol levels, reducing LDL and increasing high-density lipoprotein (HDL) or good cholesterol levels.
—Amy Brownstein, Ms, Rdn, Verywell Health, 31 Jan. 2025
Yule logs, chocolate Christmas candies, hot chocolate and more are off the list for dogs, as chocolate contains theobromine, which is toxic to them.
—Daniel R. Depetris, Newsweek, 14 Dec. 2024
According to Apolo, theobromine, an alkaloid in the cacao beans used to make chocolate, makes chocolate toxic to canines.
—Kelli Bender, People.com, 29 Oct. 2024
See All Example Sentences for theobromine
Cite this Entry
“Theobromine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theobromine. Accessed 30 Oct. 2025.
Copy CitationMedical Definition
theobromine
noun
theo·bro·mine
ˌthē-ə-ˈbrō-ˌmēn
-mən
-mən
: a bitter alkaloid C7H8N4O2 closely related to caffeine that occurs especially in cacao beans and is used as a diuretic, myocardial stimulant, and vasodilator
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