venereology

noun

ve·​ne·​re·​ol·​o·​gy və-ˌnir-ē-ˈäl-ə-jē 

variants also venerology

ˌven-ə-ˈräl-ə-jē 

plural venereologies

: a branch of medical science concerned with venereal diseases

venereological

və-ˌnir-ē-ə-ˈläj-i-kəl 

adjective