cys·to·scope I. \ˈsistəˌskōp\noun (-s) Etymology: International Scientific Vocabulary cyst- + -scope; originally formed as German zystoskop : an instrument that permits visual examination of the bladder and the use of operative devices under visual control • cys·to·scopic\| ̷ ̷ ̷ ̷|skäpik\adjective • cys·tos·co·pist\siˈstäskəpə̇st\noun-s • cys·tos·co·py\-pē\noun-es II. transitive verb (-ed/-ing/-s) : to perform cystoscopy on (a patient)