caffeine

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caf·feine

also caf·fein  (kă-fēn′, kăf′ēn′)
n.
A bitter white alkaloid, C8H10N4O2, found in certain plants such as cacao, coffee, kola, and tea, that stimulates the central nervous system and body metabolism and is used in medicine, usually in combination with other drugs, to relieve headaches and treat respiratory conditions in premature infants.

[German Kaffein (from Kaffee, coffee) or French caféine, both from French café, coffee; see café.]

caffeine

(ˈkæfiːn; ˈkæfɪˌiːn) or

caffein

n
(Elements & Compounds) a white crystalline bitter alkaloid responsible for the stimulant action of tea, coffee, and cocoa: a constituent of many tonics and analgesics. Formula: C8H10N4O2. See also xanthine2
[C19: from German Kaffein, from Kaffee coffee]

caf•feine

(kæˈfin, ˈkæf in)

n.
a white, crystalline, bitter alkaloid, C8H10N4O2, usu. derived from coffee or tea, used medicinally as a stimulant.
[1820–30; < French caféine=café coffee + -ine -ine2]
caf•fein•ic (kæˈfi nɪk, ˌkæf iˈɪn ɪk) adj.

caf·feine

(kă-fēn′)
A bitter white alkaloid found in tea, coffee, and various plants. It is a mild stimulant.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.caffeine - a bitter alkaloid found in coffee and tea that is responsible for their stimulating effectscaffeine - a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
coffee, java - a beverage consisting of an infusion of ground coffee beans; "he ordered a cup of coffee"
tea - a beverage made by steeping tea leaves in water; "iced tea is a cooling drink"
alkaloid - natural bases containing nitrogen found in plants
Translations
كَافِيـنمادَّة الكافئين في القهوه والشاي
kofein
koffein
kofeiini
kofein
koffein
kaffín
カフェイン
카페인
kofeinas
kofeīns
kofeín
koffein
สารคาเฟอีน
cafêin

caffeine

[ˈkæfiːn] ncaféine f

caffeine

caffein [ˈkæfiːn] ncaffeina

caffeine

(ˈkӕfiːn) , ((American) kӕˈfi:n) noun
a drug found in coffee and tea.

caffeine

كَافِيـن kofein koffein Koffein καφεΐνη cafeína kofeiini caféine kofein caffeina カフェイン 카페인 cafeïne koffein kofeina cafeína кофеин koffein สารคาเฟอีน kafein cafêin 咖啡因

caf·feine

n. cafeína, alcaloide presente esp. en el café y el té, estimulante y diurético.

caffeine

n cafeína
References in periodicals archive ?
La genetique pourrait expliquer pourquoi certaines personnes boivent plus de cafe que d'autres : des chercheurs europeens ont identifie un nouveau gene (PDSS2) associe a la consommation de cafe, et implique dans le metabolisme de la cafeine, rapporte le site [beaucoup moins que] futura-sciences.
Certains, en manque de nicotine ou de cafeine, peuvent devenir de veritables dangers ambulants.
Selon cette agence, une surconsommation de cafeine serait mauvaise pour la sante.
a l'exception de la cafeine, dont la surconsommation ne peut etre consideree comme un trouble d'abus de substance) est abordee separement, mais presque toutes les substances sont diagnostiquees selon les memes criteres.
Simultaneus determination of riboflavin, pyridoxine, nicotinamide, cafeine and taurine in energy drinks by planar chromatography-multiple detection with confirmation by electrospray ionization mass spectrometry.
Il cherche egalement a comprendre l'efficacite de la performance dans la construction d'un sentiment d'appartenance locale et dans le tissage du lien social, en mentionnant autant des elements musicaux (un accompagnement rythmique revendique comme caracteristique du village), qu'une discussion sur les consequences biologiques et perceptives du manque de sommeil associe a la consommation d'alcool et de cafeine.
Manufacturer-funded campaigns started in August 2013; with Coca-Cola was the first with a campaign for its new Cafeine Free Coke Zero.
La cafeine est ergogenique apres la supplementation orale en monohydrate de creatine.
The theme here involves plenty of cafeine for michael L'hirondelle
L'association insomnie, somniferes et cafeine est nefaste.
Meghann McAlear et Janie Bertrand du college Nouvelles-Frontieres nous faisaient partager le fruit de leurs experiences de quantification de Ia cafeine dans differents produits commerciaux.