caffeine
|caf-feine|
B2
/ˈkæfiːn/
stimulating compound in coffee/tea
Etymology
Etymology Information
'caffeine' originates from German, specifically the word 'Kaffein,' where 'Kaffee' meant 'coffee' and the suffix '-in' denoted a chemical substance.
Historical Evolution
'Kaffein' was adopted into French as 'caféine,' and eventually became the modern English word 'caffeine.'
Meaning Changes
Initially, it meant 'the chemical compound found in coffee,' and this meaning has remained the same in modern usage.
Meanings by Part of Speech
Noun 1
a bitter, stimulating alkaloid found in coffee, tea, and other plants, commonly used as a stimulant in drinks and medicines.
Caffeine helps people stay awake and alert.
Synonyms
Antonyms
Last updated: 2025/08/03 04:14