geomatics Syllabification: (ge·o·mat·ics)Pronunciation: /ˌjēəˈmatiks/Definition of geomatics noun [treated as singular] the branch of science that deals with the collection, analysis, and interpretation of data relating to the earth’s surface. Derivatives geomatic adjective Origin: 1980s: blend of geography and informaticsgeomatics in other Oxford dictionaries Definition of geomatics in the British & World English dictionary