chronograph Syllabification: (chron·o·graph)Pronunciation: /ˈkränəˌgraf, ˈkrō-/Definition of chronograph noun an instrument for recording time with great accuracy. a stopwatch. Derivatives chronographicPronunciation: /ˌkränəˈgrafik, ˌkrō-/ adjective chronograph in other Oxford dictionaries Definition of chronograph in the British & World English dictionary