Definition of subsoil in English:


Line breaks: sub|soil
Pronunciation: /ˈsʌbsɔɪl


[mass noun]
  • The soil lying immediately under the surface soil.
    More example sentences
    • Wetland creation attempts are often initiated by the removal of upland surface soil materials exposing mineral subsoil strata.
    • Heavy clay subsoil or sandy soil with low fertility must be improved if roses are to be grown successfully in them.
    • When digging out the bed, discard any heavy, tight subsoil and save the topsoil.


[with object] (usually as noun subsoiling) Back to top  
  • Plough (land) so as to cut into the subsoil: to gain maximum benefit from subsoiling this operation needs to be done when the lower levels of the soil are relatively dry
    More example sentences
    • Studies in the past showed that subsoiling clay soil in the spring does not improve cotton harvests.

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