subsoil

1 of 2

noun

sub·​soil ˈsəb-ˌsȯi(-ə)l How to pronounce subsoil (audio)
Synonyms of subsoilnext
: the stratum of weathered material that underlies the surface soil

subsoil

2 of 2

verb

subsoiled; subsoiling; subsoils

transitive verb

: to turn, break, or stir the subsoil of
subsoiler noun

Examples of subsoil in a Sentence

Recent Examples on the Web
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Noun
Gro-Low sumac struggles like most other plants if the planting bed consists of rock-hard subsoil. Tim Johnson, Chicago Tribune, 31 Jan. 2026 Venezuela legally retained subsoil ownership but granted or sold broad concessions to foreign operators, such as Royal Dutch-Shell. Skip York, The Conversation, 12 Jan. 2026 The legal infrastructure of Chile’s Mining Code of 1874 further facilitated the private appropriation of subsoil wealth. Literary Hub, 3 Oct. 2025 In some areas, clay-rich subsoils are also present. Joseph V Micallef, Forbes.com, 30 July 2025 See All Example Sentences for subsoil

Word History

First Known Use

Noun

1775, in the meaning defined above

Verb

1818, in the meaning defined above

Time Traveler
The first known use of subsoil was in 1775

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Cite this Entry

“Subsoil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subsoil. Accessed 7 Feb. 2026.

Kids Definition

subsoil

noun
sub·​soil
ˈsəb-ˌsȯil
: a layer of weathered material that lies just under the surface soil

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