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drainage

[drey-nij] /ˈdreɪ nɪdʒ/
noun
1.
the act or process of draining.
2.
a system of drains, artificial or natural.
4.
something that is drained off.
5.
Surgery. the drainage of fluids, as bile, urine, etc., from the body, or of pus and other diseased products from a wound.
Origin
1645-1655
1645-55; drain + -age
Related forms
overdrainage, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for overdrainage

drainage

/ˈdreɪnɪdʒ/
noun
1.
the process or a method of draining
2.
a system of watercourses or drains
3.
liquid, sewage, etc, that is drained away
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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Word Origin and History for overdrainage

drainage

n.

1650s, from drain + -age.

Online Etymology Dictionary, © 2010 Douglas Harper
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overdrainage in Medicine

drainage drain·age (drā'nĭj)
n.
The removal of fluid or purulent material from a wound or body cavity.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for overdrainage

drainage

in agriculture, the artificial removal of water from land; drainage is employed in the reclamation of wetlands, in the prevention of erosion, and as a concomitant of irrigation in the agriculture of arid regions

Learn more about drainage with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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