sierozem
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si·er·o·zem
(sī-ĕr′ə-zĕm′, sē-ĕr′ə-zhôm′)n.
Any of a group of soils found in cool to temperate arid regions that is brownish gray at the surface with a lighter layer below and is based in a carbonate or hardpan layer.
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.
sierozem
(ˈsaɪərəˌzɛm)n
(Geological Science) a calcareous soil with low organic content
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014