caffeine
pronunciation
How to pronounce caffeine in British English:
UK [ˈkæfiːn]
How to pronounce caffeine in American English:
US [ˈkæfiːn]
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- Noun:
- a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
Word Origin
- caffeine
- caffeine: see coffee
- caffeine (n.)
- trimethyl-derivative of xanthine, 1830, from German Kaffein, coined by chemist F.F. Runge (1795-1867), apparently from German Kaffee "coffee" (see coffee) + chemical suffix -ine (2) (German -in). The form of the English word may be via French caféine.
Example
- 1. Caffeine is widely found in tea and canned drinks .
- 2. Is extremely low in caffeine .
- 3. Ingredients often include amphetamine and caffeine .
- 4. Caffeine addiction is a powerful thing .
- 5. Caffeine is the major chemical in coffee .