| water table | |
| —n | |
| 1. | the surface of the water-saturated part of the ground, usually following approximately the contours of the overlying land surface |
| 2. | an offset or string course that has a moulding designed to throw rainwater clear of the wall below |
| a series of regularly spaced columns supporting an entablature and usually making up one side of a roof |
| the front of a building, esp. an imposing or decorative one; any side of a building facing a public way or space and finished accordingly |
| water table
The upper surface of an area filled with groundwater, separating the zone of aeration (the subsurface region of soil and rocks in which the pores are filled with air and usually some water) from the zone of saturation (the subsurface region in which the pores are filled only with water). Water tables rise and fall with seasonal moisture, water absorption by vegetation, and the withdrawal of groundwater from wells, among other factors. The water table is not flat but has peaks and valleys that generally conform to the overlying land surface. Compare potentiometric surface. |
The depth (measured from the surface of the Earth) at which underground water is first encountered.