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单词 topsoil
释义

topsoil

noun

top·​soil ˈtäp-ˌsȯi(-ə)l How to pronounce topsoil (audio)
: surface soil usually including the organic layer in which plants have most of their roots and which the farmer turns over in plowing

Example Sentences

Recent Examples on the Web The topsoil is shallow, and thus too are the root structures of the trees. Rafil Kroll-zaidi, Harper’s Magazine , 17 Aug. 2022 The process leaves a permanent and raw scar, devoid of topsoil. Madeline Ostrander, The Atlantic, 23 July 2022 As a result, the topsoil contained elevated levels of uranium and selenium. Mark Olalde, ProPublica, 8 Aug. 2022 Indiana and much of the Midwest are massive agricultural states, and a pest that damages the super-critical topsoil could prove disastrous. Sarah Bowman, The Indianapolis Star, 26 July 2022 When the Iowa winds blow, the topsoil on their fields stays put. New York Times, 9 July 2022 Lawns in new housing developments where the topsoil was removed often have soil so hard water can’t sink in. Joe Lindsey, Popular Mechanics, 5 May 2022 Because of that, farmers here say some of the topsoil has been destroyed. Andrew Weaver, Outside Online, 1 Feb. 2022 Why not just lay sod or spread topsoil over the tree roots, since they’re supposed to be underground? Beth Botts, Chicago Tribune, 24 July 2022 See More

Word History

First Known Use

1836, in the meaning defined above

Kids Definition

topsoil

noun

top·​soil ˈtäp-ˌsȯil How to pronounce topsoil (audio)
: the rich upper layer of soil in which plants have most of their roots

topsoil

noun

as in loam

Synonyms & Similar Words

Relevance
  • loam
  • humus
  • clay
  • gravel
  • sand
  • mud
  • earth
  • silt
  • dirt
  • sediment
  • mold
  • kaolin
  • ground
  • dust
  • gumbo
  • clod
  • subsoil
  • colluvium
  • alluvium
  • gley
  • muck
  • loess
  • marl
  • detritus
  • gault
  • blackland
  • guck
  • gook
  • shingle
  • duff
  • substratum
  • mull
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更新时间:2024/12/23 19:42:21