| 单词 | illuviation |
| 释义 | illuviation[ ih-loo-vee-ey-shuhn ] / ɪˌlu viˈeɪ ʃən / nounthe accumulation in one layer of soil of materials that have been leached out of another layer. Origin of illuviationFirst recorded in 1925–30; illuvi(al) + -ation Words nearby illuviationillustrative, illustrator, illustrious, illuvial, illuviate, illuviation, illuvium, ill will, ill wind that blows no one any good, it's an, ill-wisher, illy Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for illuviationilluviation / (ɪˌluːvɪˈeɪʃən) / nounthe process by which a material (illuvium), which includes colloids and mineral salts, is washed down from one layer of soil to a lower layer Derived forms of illuviationilluvial, adjectiveWord Origin for illuviationC20: from Latin illuviēs dirt, mud, from il- + -luviēs, from lavere to wash 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 Scientific definitions for illuviationilluviation [ ĭ-lōō′vē-ā′shən ] The deposition of colloids, soluble salts, and suspended mineral particles in a lower soil horizon through the process of eluviation (downward movement) from an upper soil horizon. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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