| 单词 | c horizon |
| 释义 | C horizonnounthe layer in a soil profile below the B horizon and immediately above the bedrock, consisting chiefly of weathered, partially decomposed rock. Origin of C horizonFirst recorded in 1930–35 Words nearby C horizonchoriso, chorista, chorister, choristoma, chorizo, C horizon, Chorley, chorogi, chorography, choroid, choroidal Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for C horizonC horizon nounthe layer of a soil profile immediately below the B horizon and above the bedrock, composed of weathered rock little affected by soil-forming processes 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 C horizonC horizon In ABC soil, the lowermost zone, consisting mainly of unconsolidated, weathered rock fragments. By comparison with the A and B horizons, the C horizon is relatively unaffected by the processes of soil formation and therefore does not exhibit as much internal layering. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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