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Crossword clue: a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

caffein 7 letters wn-def

a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects

caffeine 8 letters wn-def

a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects

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Related clues

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