| Title | Caffeine |
|---|---|
| Text | Merriam-Webster's Collegiate Dictionary English Etymology caffeine 1830, from Ger. Kaffein, coined by chemist F.F. Runge (1795-1867) after Mod.L. coffea "coffee" + chemical suffix -ine. Oxford Advanced Learner's Dictionary-牛津双解-OALD7 caffeine caf·feine / 5kAfi:n / noun[U] a drug found in coffee and tea that makes you feel more active 咖啡因；咖啡硷 ⇨ see also decaffeinated
Webster's Third New International Dictionary, Unabridged Search result show the entry is found in: caffeine citrate , or citrated caffeine caf·feine \(ˈ)ka|fēn also ˈkafēə̇n\ noun also caf·fei·na \kaˈfēnə; ˌkafēˈēnə, -ˈī-\ (-s) Etymology: German kaffein (now usually koffein, after New Latin coffea), from kaffee coffee (from French café) + -in -ine — more at CAF é: a feebly basic bitter crystalline compound C8H10N4O2 that occurs in coffee, tea, maté, guarana, and kola nuts, is synthesized by methylation of theobromine, and acts as a stimulant of the central nervous system and as a diuretic; 1,3,7-trimethyl-xanthine |
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