volcanology Syllabification: (vol·can·ol·o·gy)Pronunciation: /ˌvälkəˈnäləjē, ˌvôl-/ (also vulcanology)Definition of volcanology noun the scientific study of volcanoes. Derivatives volcanologicalPronunciation: /ˌvälkanlˈäjikəl, ˌvôl-/ adjective volcanologistPronunciation: /-jist/ noun volcanology in other Oxford dictionaries Definition of volcanology in the British & World English dictionary