HyperDic: caffeine

English > 1 sense of the word caffeine:
NOUNsubstancecaffeine, caffeina bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
caffeine > pronunciation
Soundskaefiy'n
RhymesAberdeen ... wolverine / Wolverine: 192 rhymes with iyn...
English > caffeine: 1 sense > noun 1, substance
MeaningA bitter alkaloid found in coffee and tea that is responsible for their stimulating effects.
Synonymcaffein
BroaderalkaloidNatural bases containing nitrogen found in plants
Substance ofcoffee, javaA beverage consisting of an infusion of ground coffee beans
teaA beverage made by steeping tea leaves in water
Spanishcafeína
Catalancafeïna

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