What is the meaning of caffein?

noun

  • A bitter alkaloid found in coffee and tea that is responsible for their stimulating effects.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). caffein. Retrieved September 22, 2026, from http://smartdefine.org/caffein/definitions/1262582
ChicagoWordNet. 2010. "caffein" http://smartdefine.org/caffein/definitions/1262582 (accessed September 22, 2026).
HarvardWordNet 2010, caffein, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/caffein/definitions/1262582>.
MLAWordNet. "caffein" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/caffein/definitions/1262582>