Alternative spelling of caffeine

An alkaloid, C₈H₁₀N₄O₂, found naturally in tea and coffee plants which acts as a mild stimulant on the central nervous system.

a toxic condition caused by excessive ingestion of coffee and other caffeine-containing beverages / addiction to such beverages

Containing caffeine naturally (e.g., coffee, tea, and cacao) or as an additive (e.g., soft drinks, sports drinks, or energy drinks).

simple past tense and past participle of caffeinate

(transitive) To add caffeine to. / (intransitive, slang) To drink caffeinated beverages in order to increase one's energy or wakefulness or to enhance physical or mental performance.

present participle of caffeinate

Third-person singular simple present indicative form of caffeinate

(informal) One who consumes caffeine. / (informal) A distributor of caffeinated beverages.

plural of caffeinator