caffein vs caffeine what difference

what is difference between caffein and caffeine

English

Noun

caffein (usually uncountable, plural caffeins)

1. Alternative spelling of caffeine

English

Alternative forms

• caffein

Etymology

From French caféine, from café (“coffee”), or German Caffein, Kaffein (cp. Coffein, Koffein), from Kaffee (“coffee”) (cp. Kaffe, Koffee, Koffe), or Italian caffè (“coffee”) +‎ -ine

Pronunciation

• IPA^(key): /ˈkæfiːn/ or /kæˈfiːn/

Noun

caffeine (usually uncountable, plural caffeines)

1. An alkaloid, C₈H₁₀N₄O₂, found naturally in tea and coffee plants which acts as a mild stimulant on the central nervous system. [from 1830]

   Coordinate terms: guaranine, mateine, theine

Derived terms

• caffeine-free

Translations

Further reading

• caffeine on Wikipedia.Wikipedia

References

Italian

Noun

caffeine f pl

1. plural of caffeina

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