caffeine definition

  • noun:
    • A bitter white alkaloid, C8H10N4O2, usually produced by coffee or tea and found in medication chiefly as a mild stimulant also to treat particular kinds of annoyance.
    • An alkaloid, C8H10N4O2, found normally in beverage and coffee flowers which acts as a mild stimulant associated with central nervous system.
    • a bitter alkaloid present coffee-and beverage that is in charge of their particular stimulating results

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