1. the physical features of an area of land, especially the position of its hills, valleys, streams, etc.
2. the detailed study or description of the physical features of an area
Usage: technical

Examples

• The topographies of mountain regions vary dramatically from valley to valley.
• Geologists studied the topographies of several coastal areas.
• The hiking guide included detailed topographies of all the trails.
• Different topographies require different farming techniques.
• The military analyzed the topographies before planning their route.
• Satellite images revealed the complex topographies of the canyon system.