- 1. n. A white, bitter, crystallizable substance, obtained from coffee. It is identical with the alkaloid theine from tea leaves, and with guaranine from guarana. Source: opted
- 2. n. a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects Source: wordnet
- 3. A white, bitter, crystallizable substance, obtained from coffee. It is identical with the alkaloid theine from tea leaves, and with guaranine from guarana. Source: webster
- 4. A white, bitter, crystallizable substance, obtained fromcoffee. It is identical with the alkaloid theine from tea leaves, andwith guaranine from guarana. Source: adambom
- 5. n:100 n. a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects Source: ecdict
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alkaloidbitterteacoffeecrystallizableguaranaguaranineidenticalleavesobtainedsubstancetheinewhiteeffectsfoundresponsiblestimulatingtheir