photogeology Syllabification: (pho·to·ge·ol·o·gy)Pronunciation: /ˌfōtōjēˈäləjē/Definition of photogeology noun the field of study concerned with the geological interpretation of aerial photographs. Derivatives photogeologicalPronunciation: /-ˌjēəˈläjikəl/ adjective photogeologistPronunciation: /-jist/ noun photogeology in other Oxford dictionaries Definition of photogeology in the British & World English dictionary