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Synonyms

topsoil

American  
[top-soil] / ˈtɒpˌsɔɪl /

noun

  1. the fertile, upper part of the soil.


verb (used with object)

  1. to cover (land) with topsoil.

topsoil British  
/ ˈtɒpˌsɔɪl /

noun

  1. the surface layer of soil

"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

verb

  1. to spread topsoil on (land)

  2. 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
topsoil Scientific  
/ tŏpsoil′ /
  1. 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.


topsoil Cultural  
  1. The thin, rich layer of soil where most nutrients for plants are found.


Discover More

The loss of topsoil through erosion is a major agricultural problem.

Most of the land-based biological activity of the Earth takes place here.

Etymology

Origin of topsoil

First recorded in 1860–65; top 1 + soil 1

Vocabulary lists containing topsoil

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Topsoil is being lost far faster than nature can replenish it; 30 percent of arable land has been exhausted since the mid-20th century.

From Salon • Aug. 16, 2022

Topsoil almost always has lots of air in it.

From Seattle Times • Aug. 24, 2021

Topsoil refers to where the soil is located, whereas loam refers to soil quality.

From New York Times • Apr. 18, 2018

Topsoil moisture is rated 70 percent adequate and 30 percent surplus, while subsoil moisture is 67 percent adequate and 32 percent surplus.

From Washington Times • Jul. 7, 2014

Topsoil may also be deepened by dust storms that pick up particles of humus from dry lands and carry them to moister areas.

From Civilization and Beyond Learning from History by Nearing, Scott

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