theobromine

noun

theo·​bro·​mine ˌthē-ə-ˈbrō-ˌmēn  -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

Participants with higher levels of theobromine consistently appeared biologically younger than their actual age, according to the research. —Deirdre Bardolf, FOXNews.com, 13 Dec. 2025

The researchers discovered that people with higher levels of theobromine in their blood had a biological age that was less than their actual age. —Tom Gavin, EverydayHealth.com, 10 Dec. 2025

Cocoa products like dark chocolate also contain some caffeine and another natural stimulant called theobromine. —Jillian Kubala, Health, 16 Oct. 2025

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

Word History

Etymology

New Latin Theobroma, genus that includes the cacao, from the- + Greek brōma food, from bibrōskein to devour — more at voracious

First Known Use

1842, in the meaning defined above

Rhymes for theobromine

• acrolein
• adenine
• alkylene
• aniline
• anthracene
• aquiline
• asphaltene
• atlantean
• atrazine
• butadiene
• butylene
• caesarean

Medical Definition

theobromine

noun

theo·​bro·​mine ˌthē-ə-ˈbrō-ˌmēn  -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