[ 'kafi:n ]
■ noun a crystalline compound of the alkaloid type which is found in tea and coffee plants and is a stimulant of the central nervous system.
Derivatives
caffeinated adjective
Origin
C19: from Fr. caféine , from café 'coffee'.
[ 'kafi:n ]
■ noun a crystalline compound of the alkaloid type which is found in tea and coffee plants and is a stimulant of the central nervous system.
Derivatives
caffeinated adjective
Origin
C19: from Fr. caféine , from café 'coffee'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004