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subsoil
nounmasculinegeneral usecommon/subˈsɔlu/sub·so·lo
Definition
1The layer of earth or rock that lies immediately below the surface soil.
Usage examples
“The construction required deep excavations in the subsoil.”
“They found water in the property's subsoil.”
Synonyms
Antonyms
Common combinations
subsoil layersubsoil waterdig into the subsoilexplore the subsoil