English Explanatory Dictionary

caffeine

English dictionary entry

Meanings

noun
  1. An alkaloid, C₈H₁₀N₄O₂, found naturally in tea and coffee plants, which acts as a mild stimulant on the central nervous system.

Pronunciation

/ˈkæfiːn/ /kæˈfiːn/ en-us-caffeine.ogg

Word forms

caffeine caffeines caffein

Etymology

Borrowed from French caféine, from café (“coffee”), or German Caffein, Kaffein (cp. Coffein, Koffein), from Kaffee (“coffee”) (cp. Kaffe, Koffee, Koffe), or Italian caffè (“coffee”) + -ine.

Derived words

apocaffeine cafedrine caffeinate caffeine dependence caffeine-free caffeineless caffeinelike caffeine up caffeine use disorder caffeinic caffeinism diethoxyhydroxycaffeine hydroxycaffeine hypocaffeine noncaffeine supercaffeine
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