Caffeine

Definition:

• (n.) A white, bitter, crystallizable substance, obtained from coffee. It is identical with the alkaloid theine from tea leaves, and with guaranine from guarana.

Compare caffeine with other words:

cafe vs. caffeine

caffeine vs. theine

caffeine vs. theobromine

caffeinated vs. caffeine

caffeine vs. venom

caffeine vs. stimulant

caffeine vs. coffee

caffeine vs. tea

alkaloid vs. caffeine

caffeine vs. guarana

caffeine vs. ginseng