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 ?
Washington DC, January 8 ( ANI ): A new research has found that the caffeine level in the blood may help in the diagnosis of Parkinson's disease.
Testing the level of caffeine in the blood may provide a simple way to aid the diagnosis of Parkinson's disease, according to a study published in the January 3, 2018, online issue of Neurology, the medical journal of the American Academy of Neurology.
5g (68% of RDA) Calories: 90 Brewed coffee contains around 95mg of caffeine per cup while instant coffee can have between 30mg and 90mg.
In addition to the standard diet, the animals in experimental group G2 were given 10mg of caffeine per 100g body weight once a day on alternate days, three days in a week by oral gavage for 60 days.
Caffeine has important effects on different brain functions such as motor behavior, attention, memory and learning (1-6).
For many adults, caffeine is a part of their daily routine that often comes by way of coffee.
Based on studies and consensus of experts, caffeine ingestion in whatever form is considered safe if total intake is below 400 milligrams a day.
Around six per cent of the students are consuming more than 300 mg of caffeine per day, which can be a matter of serious concern.
Sure, soda has been there for decades, and in many cultures tea is a common drink, but today many kids are lining up at Starbucks for the caffeine jolt, and the new drinks such as 5-Hour Energy, Jolt, and Red Bull are making this generation the most sleep-deprived ever.
A 2012 Nutrition Reviews report found that the majority of these extras in energy drinks do little to charge your energy levels or alleviate brain fog; basically, pure caffeine is the engine behind these drinks.