1. (n.) The science which treats of the world and its inhabitants; a description of the earth, or a portion of the earth, including its structure, features, products, political divisions, and the people by whom it is inhabited.

2. (n.) A treatise on this science.

Earth Gaea Ge Tellus Terra biosphere cartography chorography cosmical geology dynamic geology geodesy geodetic satellite geodetics geodynamics geognosy geographics geological chemistry geological engineering geology geomorphogeny geomorphology geophysics geoscopy geosphere geotectonic geology globe historical geology hydrogeology mineralogy mining geology mother earth navigation orbiting geophysical observatory paleontological geology pedology physical geography physical geology physiographic geology physiography soil mechanics soil science stratigraphic geology stratigraphy surveying terra terrestrial globe the blue planet this pendent world topography vale vale of tears whole wide world world