Definition from Wiktionary, the free dictionary
xanthine (plural xanthines)
- (chemistry) Any of a group of alkaloids that include caffeine, theophylline, and theobromine as well as the parent compound, a precursor of uric acid found in many organs of the body.
- There is much confusion between this word and xanthein, and they are often interchanged.
group of alkaloids, including caffeine
xanthine f (plural xanthines)