Main Entry: ure·ter·ol·y·sis Pronunciation: "yur-&t-&r-'äl-&-s&s, yu-"rEt-&r- Function: noun Inflected Form: pluralure·ter·ol·y·ses/-"sEz/ : a surgical procedure to free a ureter from abnormal adhesions or surrounding tissue (as inretroperitoneal fibrosis)