| Term | Definition |
|---|---|
| Zone | Area established by a governing body for specific use, such as residential, commercial, or industrial use. |
| Zone of Aeration | The zone below the ground in which all of the spaces between soil grains contain both water and air. |
| Zone of Saturation | The zone below the ground in which all of the spaces between soil grains are filled completely with water. |
| Zoning | The legal means whereby land use is regulated and controlled for the general welfare. |
| Zoning Ordinances | Local regulations that control the use and development of land. |