arthroscope Syllabification: (ar·thro·scope)Pronunciation: /ˈärTHrəˌskōp/Definition of arthroscope noun Medicine an instrument through which the interior of a joint may be inspected or operated on. Derivatives arthroscopicPronunciation: /ˌärTHrəˈskäpik/ adjective arthroscopyPronunciation: /ärˈTHräskəpē/ noun arthroscope in other Oxford dictionaries Definition of arthroscope in the British & World English dictionary