noun
- A disorder characterized by an abnormal increase in the number of red blood cells in the blood. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). polycythemia. Retrieved September 23, 2026, from http://smartdefine.org/polycythemia/definitions/1245894 |
| Chicago | WordNet. 2010. "polycythemia" http://smartdefine.org/polycythemia/definitions/1245894 (accessed September 23, 2026). |
| Harvard | WordNet 2010, polycythemia, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/polycythemia/definitions/1245894>. |
| MLA | WordNet. "polycythemia" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/polycythemia/definitions/1245894> |