ironServices.com

English Dictionary

  • Hide translation

 subsoil subsoil /ˈsʌbˌsɔɪl/

noun

  1. () The layer of soil between the topsoil and bedrock  ( undersoil , subsoil )
    the layer of soil between the topsoil and bedrock
     I dug down to the subsoil layer to improve drainage in my garden beds
    I dug down to the subsoil layer to improve drainage in my garden beds