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A soil rich in soluble salt, often having a salt crust and mineral deposits to a depth of one foot, formed in areas of high evaporation, especially where the water table is close to the surface.
[Russian solončak, from solonets, salty soil, salty lake; akin to Old Church Slavonic slanŭ, salty; see sal- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Physical Geography) a type of intrazonal soil of arid regions with a greyish surface crust: contains large quantities of soluble salts
[Russian, literally: salt marsh]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014