hydrography Syllabification: (hy·drog·ra·phy)Pronunciation: /hīˈdrägrəfē/Definition of hydrography noun the science of surveying and charting bodies of water, such as seas, lakes, and rivers. Derivatives hydrographerPronunciation: /-fər/ noun hydrographicPronunciation: /ˌhīdrəˈgrafik/ adjective hydrographicalPronunciation: /ˌhīdrəˈgrafikəl/ adjective hydrographicallyPronunciation: /ˌhīdrəˈgrafik(ə)lē/ adverb hydrography in other Oxford dictionaries Definition of hydrography in the British & World English dictionary