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caffeine (n.)
trimethyl-derivative of xanthine, 1830, from German Kaffein, coined by chemist F.F. Runge (1795-1867), apparently from German Kaffee "coffee" (see coffee) + chemical suffix -ine (2) (German -in). So called because the alkaloid was found in coffee beans; its presence accounts for the stimulating effect of coffee and tea. The form of the English word may be via French caféine. Related: Caffeinic.
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Definitions of caffeine from WordNet
Dictionary entries near caffeine
caesura
cafe
cafe au lait
cafeteria
caffeic
caffeine
caffeinism
caftan
cage
cagey
cahier