Dictionary
1subsoil
noun sub·soil \ˈsəb-ˌsȯi(-ə)l\
: the layer of soil that is under the top layer
Full Definition of SUBSOIL
: the stratum of weathered material that underlies the surface soil
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First Known Use of SUBSOIL
1796
2subsoil
transitive verb
Definition of SUBSOIL
: to turn, break, or stir the subsoil of
— sub·soil·er noun
First Known Use of SUBSOIL
1840
SUBSOILER Defined for Kids
subsoil
noun sub·soil \ˈsəb-ˌsȯil\
Definition of SUBSOIL for Kids
: a layer of soil lying just under the topsoil
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