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Definition of "caffein" []

  • Alternative spelling of caffeine. (noun)

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Use "caffein" in a sentence
  • "Certain trees growing wild in the Comoro Islands and Madagascar are known as caffein-free coffee trees."
  • "Coffee, as is well known, contains an active principle known as caffein which acts as a stimulant to the nervous system and in small quantities is very beneficial."
  • "Though the flavors of tea, coffee, and cocoa are so different, they all depend for their effect upon a spicy-tasting substance, called caffein from its having been first separated out of coffee."