caffeine

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English[edit]

Alternative forms[edit]

Etymology[edit]

From French caféine[1], from café (coffee), or German Caffein, Kaffein[2] (cp. Coffein, Koffein), from Kaffee (coffee) (cp. Kaffe, Koffee, Koffe), or Italian caffè (coffee) +‎ -ine

Pronunciation[edit]

  • IPA(key): /ˈkæfiːn/ or /kæˈfiːn/
  • (file)

Noun[edit]

caffeine (usually uncountable, plural caffeines)

  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, mateine, theine

Derived terms[edit]

Translations[edit]

Further reading[edit]

References[edit]

  1. ^ caffeine” (US) / “caffeine” (UK) in Oxford Dictionaries, Oxford University Press.
  2. ^ caffeine” in Douglas Harper, Online Etymology Dictionary, 2001–2019.

Italian[edit]

Noun[edit]

caffeine f pl

  1. plural of caffeina