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 ?
The most common caffeine withdrawal symptom you'll have is (https://draxe.com/health/brain-health/caffeine-headaches/) headache .
Many people drink coffee and its accompanying caffeine to help them start their day.
And, caffeine is among those items that have been recommended by experts to avoid during this period.&nbsp;It is mainly because this chemical compound that is mostly found in coffee, tea, chocolate and soda could(https://cms.ibtimes.com/drinking-too-much-coffee-can-lead-dehydration-2803733) increase the risk of miscarriage and birth defects in newborns, according to the American Pregnancy Association.
In the past, there have been reports of applicability of methylxanthines and theophylline being used for the cure of episodic apnea in premature infants till they complete a post-conceptional age of 34-35 weeks.1 As demonstrated by a literature review designed for the objective of prophylaxis or treatment of apnea of prematurity, some documentation regarding the use of theophylline or caffeine depicting some degree of altercation regarding the dosage regime2, the appropriate concentration of serum methylxanthine, the compulsion for drug monitoring, and the outcome of drug usage,3 is still present.
Caffeine continues to be one of the most commonly used substances in youth, with about 75% of older children and adolescents consuming it regularly, often at an average dose of about 25 mg/day for children aged 6-11 years and 50 mg/ day for adolescents.
In the study, Dr Ling-Wei Chen looked at 941 Irish mothers and babies where tea was the mothers' main source of caffeine (48%), followed by coffee (38%).
Caffeine is a natural stimulant found in tea, coffee and cacao plants.
The Mayo Clinic reported that ingesting more than 500-600 mg of caffeine a day may lead to insomnia, nervousness, restlessness, irritability, an upset stomach, irregular heartbeat, and even muscle tremors.
Indeed, Caffeine Studios, the companies note, "will leverage FOX Sports' expertise in live events and programming to create exclusive eSports, video game, sports, and live entertainment content" for Caffeine's social broadcasting platform.The amount of their investments is undisclosed.
My morning cup of coffee is almost 4 ounces and gives me 79-89 milligrams of caffeine. I have a serving of instant coffee after lunch at work that gives me close to 65 milligrams of caffeine.
There have been many studies on the effects of caffeine, with mixed results.
Costa Coffee served our 13-year-old volunteer Rachel a medio iced cappuccino containing three shots and a huge 277mg of caffeine.