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Related to caffein: Caffeine pills


also caf·fein  (kă-fēn′, kăf′ēn′)
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.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.caffein - a bitter alkaloid found in coffee and tea that is responsible for their stimulating effectscaffein - 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


caffeine [ˈkæfiːn] Ncafeína f


nKoffein nt
References in periodicals archive ?
In Turkish postmenopausal women, the validated clinical risk factors were the following: being over the age of 50 or at the age of menopause along with BMI, height, duration of menopause, illiteracy, parity, anemia, sun exposure, including sunbathing and daily outdoor activities, a sedentary lifestyle, a history of fracture, duration of breastfeeding, dietary calcium intake, smoking history, tea and caffein intake, and the presence of chronic disease, chronic kidney disease, or type 2 diabetes.
FFA assay after treatment of human adipocytes (fat cells) by various lipolytic products Tested Concentrations FFA ([mu]M) FFA/control products (%) Control 36 [+ or -] 10 (a) 100 [+ or -]28 (a) Theophylline 1 mM 381 [+ or -] 9 (b) 1057[+ or -](b) Isoproterenol 1 [micro]M 377 [+ or -] 11 (b) 1048[+ or -]31(b) Caffein 0.
I don't care to be eatin' pork, beef, nothin' fried, no salt, no butter nor fat and in the mornin' hours I tend to enjoy Colby cheese for that's what pleases me best with my coffee which must be without caffein.