caffeine
Pronunciation
  • IPA: /ˈkæfiːn/ or /kæˈfiːn/
Noun

caffeine (uncountable)

  1. An alkaloid, C8H10N4O2, found naturally in tea and coffee plants which acts as a mild stimulant on the central nervous system. [from 1830]
    Coordinate terms: guaranine#English|guaranine, mateine#English|mateine, theine#English|theine
Translations


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