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Thesaurus: caffeine

A white, bitter, crystallizable substance, obtained from coffee. It is identical with the alkaloid theine from tea leaves, and with guaranine from guarana.

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