caffeine

English

Alternative forms

• caffein

Etymology

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.

Pronunciation

• IPA^(key): /ˈkæfiːn/, /kæˈfiːn/

• Audio (US):

  (file)

• Rhymes: -æfiːn, -iːn

Noun

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

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

 

Translations

alkaloid found naturally in tea and coffee plants

• Albanian: kafeinë (sq) f
• Arabic: كَافِيِين m (kāfiyīn)
• Armenian: կոֆեին (hy) (kofein)
• Asturian: cafeína f
• Azerbaijani: kofein
• Belarusian: кафеі́н m (kafjeín), кафэі́н m (kafeín)
• Bengali: ক্যাফিন (kêphin)
• Bulgarian: кофеи́н m (kofeín)
• Burmese: ကေဖိန်း (kehpin:)
• Catalan: cafeïna (ca) f
• Chinese:

  Cantonese: 咖啡因 (gaa³ fe¹ jan¹)

  Hakka: 咖啡因 (kha-fei-yin, kà-pì-yîn)

  Hokkien: 咖啡因 (ka-pi-in)

  Mandarin: 咖啡因 (zh) (kāfēiyīn), 咖啡鹼／咖啡碱 (zh) (kāfēijiǎn)

• Czech: kofein (cs) m
• Danish: koffein n or c
• Dutch: cafeïne (nl) m or f
• Esperanto: kafeino
• Estonian: kofeiin
• Finnish: kofeiini (fi)
• French: caféine (fr) f
• Galician: cafeína (gl) f
• Georgian: კოფეინი (ḳopeini)
• German: Koffein (de) n, Coffein (de) n
• Greek: καφεΐνη (el) f (kafeḯni)
• Hebrew: קָפֶאִין (he) m (kafeín)
• Hindi: कैफ़ीन f (kaifīn), कैफीन f (kaiphīn)
• Hungarian: koffein (hu)
• Icelandic: koffín (is) n, kaffín (is) n (dated)
• Ido: kafeino (io)
• Indonesian: kafein
• Irish: caiféin f
• Italian: caffeina (it) f
• Japanese: カフェイン (ja) (kafein)
• Kazakh: кофеин (kofein)
• Khmer: កាហ្វេអ៊ីន (kaafeeʼiin)
• Korean: 카페인 (ko) (kapein)
• Kyrgyz: кофеин (kofein)
• Lao: ກາເຟອີນ (kā fē ʼīn), ຄາເຟອີນ (khā fē ʼīn)
• Latin: coffēinum n
• Latvian: kofeīns m
• Lithuanian: kofeinas m
• Macedonian: кофеи́н m (kofeín)
• Malagasy: kafeinina, kafeina (mg)
• Malay: kafein
• Manx: caffeen f
• Mongolian:

  Cyrillic: кофеин (kofein)

• Norwegian:

  Bokmål: koffein (no) m or n

  Nynorsk: koffein m or n

• Persian:

  Iranian Persian: کافِئین (fa) (kâfe'in)

• Polish: kofeina (pl) f
• Portuguese: cafeína (pt) f
• Romanian: cafeină (ro) f, cofeină (ro) f
• Russian: кофеи́н (ru) m (kofeín)
• Scottish Gaelic: caifein m
• Serbo-Croatian:

  Cyrillic: кофѐӣн m

  Roman: kofèīn (sh) m

• Slovak: kofeín (sk) m
• Slovene: kofein (sl) m
• Spanish: cafeína (es) f
• Swahili: kafeini
• Swedish: koffein (sv) n
• Tajik: кофеин (kofeyin)
• Thai: กาเฟอีน (th) (gaa-fee-iin), คาเฟอีน (kaa-fee-iin)
• Turkish: kafein (tr)
• Turkmen: kafein, kafeyin
• Ukrainian: кофеї́н m (kofejín)
• Urdu: کَیفِین f (kaifīn)
• Uyghur: كوففېئىن (koffë'in)
• Uzbek: kofein (uz)
• Vietnamese: cafêin, cà phê tinh, caffein
• Volapük: kafein
• Welsh: caffîn (cy) m
• Yiddish: קאַפֿעיִן m (kafein)
• Yoruba: kaféènì

Further reading

• caffeine on Wikipedia.Wikipedia

Italian

Noun

caffeine f pl

1. plural of caffeina