Geomatics is the modern term referring to the science, engineering, and art involved in collecting and managing geographically referenced information. It integrates all the means used to acquire and manage spatial data as part of scientific, administrative, legal and technical operations involved in the process of production and management of Earth-based data. It includes disciplines such as: Surveying, Geodesy, Remote Sensing, Photogrammetry, Cartography, Geographic Information Systems, and Global Positioning Systems. 

(Definition from the Canadian Institute of Geomatics Journal, Geomatica)