cystoscope Syllabification: (cys·to·scope)Pronunciation: /ˈsistəˌskōp/Definition of cystoscope noun Medicine an instrument inserted into the urethra for examining the urinary bladder. Derivatives cystoscopicPronunciation: /ˌsistəˈskäpik/ adjective cystoscopyPronunciation: /sisˈtäskəpē/ noun cystoscope in other Oxford dictionaries Definition of cystoscope in the British & World English dictionary