karyolysis

noun

kar·​y·​ol·​y·​sis ˌkar-ē-ˈäl-ə-səs 

plural karyolyses -ˌsēz 

: dissolution of the cell nucleus with loss of its affinity for basic stains sometimes occurring normally but usually in necrosis compare karyorrhexis

karyolytic

ˌkar-ē-ō-ˈlit-ik 

adjective