Pronunciation: /ˈsʌbˌsɔɪl/
noun the layer of soil beneath the topsoil, often consisting of clay, sand, and other materials
A1 The farmer planted the seeds in the subsoil.
A2 The subsoil contains minerals that are essential for plant growth.
B1 It is important to test the subsoil before building a foundation for a house.
B2 The subsoil composition can vary greatly depending on location and climate.
C1 Agricultural engineers study the subsoil to optimize crop growth.
C2 The subsoil profile can provide valuable information about the history of a region.
formal The subsoil composition can greatly affect the quality of crops grown in a particular area.
informal Make sure to dig deep into the subsoil before planting anything in your garden.
slang I heard there's some good stuff buried in the subsoil over there.
figurative The subsoil of his mind was rich with untapped potential.
subsoils
more subsoil
most subsoil
subsoils
will subsoil
has subsoiled
is subsoiling
subsoil
subsoil
to subsoil
subsoiling
subsoiled