CAFFEINE

n. a crystalline, bitter-tasting alkaloid of plant-based origin. It belongs to the methylxanthine group which is known to have stimulating effects. Thus, as a stimulant, it promotes rapid breathing and increases heart rate.

CAFFEINE: "Caffeine is a substance which helps give coffee its distinct flavor and aroma."
Cite this page: N., Pam M.S., "CAFFEINE," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/caffeine/ (accessed July 18, 2019).
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