单词 | topsoil |
释义 | topsoil[ top-soil ] / ˈtɒpˌsɔɪl / SEE SYNONYMS FOR topsoil ON THESAURUS.COM nounthe fertile, upper part of the soil. verb (used with object)to cover (land) with topsoil. Origin of topsoilFirst recorded in 1860–65; top1 + soil1 Words nearby topsoiltop-shell, topside, Top-Sider, top slicing, topsmelt, topsoil, topspin, topstitch, topsy-turvy, topsy-turvydom, top ten Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for topsoilBritish Dictionary definitions for topsoiltopsoil / (ˈtɒpˌsɔɪl) / nounthe surface layer of soil verb (tr)to spread topsoil on (land) to remove the topsoil from (land) 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 Cultural definitions for topsoiltopsoil The thin, rich layer of soil where most nutrients for plants are found. notes for topsoilMost of the land-based biological activity of the Earth takes place here. notes for topsoilThe loss of topsoil through erosion is a major agricultural problem. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Scientific definitions for topsoiltopsoil [ tŏp′soil′ ] The upper portion of a soil, usually dark colored and rich in organic material. It is more or less equivalent to the upper portion of an A horizon in an ABC soil. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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