Subsoil

//ˈsʌbsɔɪl// noun, verb

noun, verb ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    The layer of earth that is below the topsoil. countable, uncountable

    "In the few areas underlain by horizontally bedded limestone, the surface soil is dark gray to black and peatlike, and the subsoil gray and marllike."

  2. 2
    the layer of soil between the topsoil and bedrock wordnet
Verb
  1. 1
    To turn up the subsoil of. transitive

Synonyms

All synonyms
acresalluvionalluviumarable landclayclod

Example

More examples

"Algeria's subsoil is overflowing with riches."

Etymology

From sub- + soil.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.