You searched for: “geognosy
1. A science dealing with the constituent parts of the earth, its envelope of air and water, its crust, and the condition of its interior.
2. That part of geology which treats of the materials of the earth's structure, and its general exterior and interior constitution.
3. Knowledge of the general structure of the earth.
4. An earlier term for the science of the earth; now, replaced by geology.
3. Etymology: from Greek; literally "knowledge of the earth".