hy·​dro·​ne·​phro·​sis -ni-ˈfrō-səs How to pronounce hydronephrosis (audio)
plural hydronephroses -ˌsēz How to pronounce hydronephrosis (audio)
: cystic distension of the kidney caused by the accumulation of urine in the renal pelvis as a result of obstruction to outflow and accompanied by atrophy of the kidney structure and cyst formation

Dictionary Entries Near hydronephrosis

Cite this Entry

“Hydronephrosis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/hydronephrosis. Accessed 29 Nov. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!