noun
- Accumulation of urine in the kidney because of an obstruction in the ureter. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). hydronephrosis. Retrieved September 22, 2026, from http://smartdefine.org/hydronephrosis/definitions/1247033 |
| Chicago | WordNet. 2010. "hydronephrosis" http://smartdefine.org/hydronephrosis/definitions/1247033 (accessed September 22, 2026). |
| Harvard | WordNet 2010, hydronephrosis, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/hydronephrosis/definitions/1247033>. |
| MLA | WordNet. "hydronephrosis" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/hydronephrosis/definitions/1247033> |