noun
- Unusual darkening of the skin. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). hyperpigmentation. Retrieved September 20, 2026, from http://smartdefine.org/hyperpigmentation/definitions/1246356 |
| Chicago | WordNet. 2010. "hyperpigmentation" http://smartdefine.org/hyperpigmentation/definitions/1246356 (accessed September 20, 2026). |
| Harvard | WordNet 2010, hyperpigmentation, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/hyperpigmentation/definitions/1246356>. |
| MLA | WordNet. "hyperpigmentation" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/hyperpigmentation/definitions/1246356> |