das Koffein
Translation
caffeine
Examples
Kaffee enthält viel Koffein.
Coffee contains a lot of caffeine.
Zu viel Koffein kann unruhig machen.
Too much caffeine can make you restless.
Grammar Patterns
das Koffein caffeine Coffee contains a lot of caffeine.
Similar Words
Synonyms: theine, guaranine
Etymology
Coined in German from 'Kaffee' (coffee) + the chemical suffix '-in'.
Memory Tips
It sounds almost identical to 'caffeine' in English. Think of it as the substance that is 'in' your 'Kaffee'.