noun
- Crystalline oxidation product of the metabolism of nucleoproteins; precursor of uric acid; found in many organs and in urine. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). xanthine. Retrieved September 23, 2026, from http://smartdefine.org/xanthine/definitions/1249779 |
| Chicago | WordNet. 2010. "xanthine" http://smartdefine.org/xanthine/definitions/1249779 (accessed September 23, 2026). |
| Harvard | WordNet 2010, xanthine, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/xanthine/definitions/1249779>. |
| MLA | WordNet. "xanthine" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/xanthine/definitions/1249779> |