topsoil

noun
top·​soil | \ ˈtäp-ˌsȯi(-ə)l How to pronounce topsoil (audio) \

Definition of topsoil

: surface soil usually including the organic layer in which plants have most of their roots and which the farmer turns over in plowing

Examples of topsoil in a Sentence

Recent Examples on the Web

Then spread an inch of compost over the area and till again until the topsoil, sand, and compost are thoroughly mixed together. Joseph Truini, Popular Mechanics, "How to Plant Grass Seed for a New Lawn," 23 Jan. 2019 Level any high spots and fill all depressions with topsoil. Joseph Truini, Popular Mechanics, "How to Plant Grass Seed for a New Lawn," 23 Jan. 2019 And once the crust of the land is removed in the strip-mining process, topsoil can become airborne dust and cover snow on nearby mountain ridges. Clifford Krauss, The Seattle Times, "Canadian firm tests new process to turn Utah sands into oil," 27 Aug. 2018 But the fact is that this topsoil can actually bring in fresh sources of weeds. Neil Sperry, star-telegram, "The 'natural consequences' of playing the 'if' game when gardening | Fort Worth Star-Telegram," 10 May 2018 Over the next 2,500 to 4,000 years, the settlements themselves fell into ruin, and eventually farmers plowed the embankments flat and filled in the ditches with topsoil. Kiona N. Smith, Ars Technica, "Climate change brings Britain and Ireland’s hidden past to the surface," 1 Aug. 2018 The varieties of dirt on Earth alone include black sand, white sand, clay, topsoil. David Grossman, Popular Mechanics, "Scientists Create Martian Dirt and It's $20 Per Kilo," 1 Oct. 2018 That thicker layer of loose topsoil retains more moisture and nutrients than the surrounding soil, so plants growing over the filled-in ancient ditch tend to grow taller and greener than those on either side. Kiona N. Smith, Ars Technica, "Climate change brings Britain and Ireland’s hidden past to the surface," 1 Aug. 2018 These trenches hold on to nutrients and moisture—and when the weather gets scorching, plants draw on the deeper topsoil for sustenance. Brigit Katz, Smithsonian, "A Heat Wave is Revealing Centuries-Old Sites in Wales," 11 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'topsoil.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of topsoil

1836, in the meaning defined above

Keep scrolling for more

Learn More about topsoil

Dictionary Entries near topsoil

top slicing

topsman

top smelt

topsoil

topspin

topstitch

topstone

Statistics for topsoil

Last Updated

11 May 2019

Look-up Popularity

Time Traveler for topsoil

The first known use of topsoil was in 1836

See more words from the same year

Keep scrolling for more

More Definitions for topsoil

topsoil

noun

English Language Learners Definition of topsoil

: the upper layer of soil in which plants have most of their roots

topsoil

noun
top·​soil | \ ˈtäp-ˌsȯil How to pronounce topsoil (audio) \

Kids Definition of topsoil

: the rich upper layer of soil in which plants have most of their roots

Keep scrolling for more

More from Merriam-Webster on topsoil

Rhyming Dictionary: Words that rhyme with topsoil

Spanish Central: Translation of topsoil

Nglish: Translation of topsoil for Spanish Speakers

Comments on topsoil

What made you want to look up topsoil? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to make a payment or contribution

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!