Dictionary
3 ENTRIES FOUND:

caffeine

noun caf·feine \ka-ˈfēn, ˈka-ˌ\

: a substance that is found especially in coffee and tea and that makes you feel more awake

Full Definition of CAFFEINE

:  a bitter alkaloid C8H10N4O2 found especially in coffee, tea, cacao, and kola nuts and used medicinally as a stimulant and diuretic

Examples of CAFFEINE

  1. Her doctor told her to avoid caffeine.

Origin of CAFFEINE

German Kaffein, from Kaffee coffee, from French café
First Known Use: circa 1823

Other Biochemistry Terms

bile, biodegradable, capsaicin, keratin, metabolism

caffeine

noun caf·feine \ka-ˈfēn, ˈka-ˌ; ˈkaf-ē-ən\   (Medical Dictionary)

Medical Definition of CAFFEINE

:  a bitter alkaloid C8H10N4O2 found especially in coffee, tea, and kola nuts and used medicinally as a stimulant and diuretic
caf·fein·ic \ka-ˈfē-nik, ˌkaf-ē-ˈin-ik\ adjective

Browse

Next Word in the Dictionary: caffeine citratePrevious Word in the Dictionary: caffeinatedAll Words Near: caffeine
April 25, 2015
lissome Hear it
nimble or easily flexed
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears