microphotograph Syllabification: (mi·cro·pho·to·graph)Pronunciation: /ˌmīkrəˈfōtəˌgraf/Definition of microphotograph noun a photograph reduced to a very small size. another term for photomicrograph.Derivatives microphotographicPronunciation: /-ˌfōtəˈgrafik/ adjective microphotographyPronunciation: /-fəˈtägrəfē/ noun microphotograph in other Oxford dictionaries Definition of microphotograph in the British & World English dictionary