What is the meaning of caffeine?

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). caffeine. Retrieved September 21, 2026, from http://smartdefine.org/caffeine/definitions/1248156
ChicagoWordNet. 2010. "caffeine" http://smartdefine.org/caffeine/definitions/1248156 (accessed September 21, 2026).
HarvardWordNet 2010, caffeine, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/caffeine/definitions/1248156>.
MLAWordNet. "caffeine" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/caffeine/definitions/1248156>
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