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water table

noun
1.
the planar, underground surface beneath which earth materials, as soil or rock, are saturated with water.
2.
Architecture. a projecting stringcourse or similar structural member placed so as to divert rain water from a building.
Also, watertable.
Origin
late Middle English
1400-1450
1400-50; late Middle English
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for watertable

water table

noun
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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watertable in Science
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 American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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watertable in Culture

water table definition


The depth (measured from the surface of the Earth) at which underground water is first encountered.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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