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subsoil
1 ENTRIES FOUND:
subsoil
(noun)
subsoil
/
ˈ
sʌbˌsojəl/
noun
subsoil
/
ˈ
sʌbˌsojəl/
noun
Britannica Dictionary definition of SUBSOIL
[
noncount
]
:
the layer of soil that is under the top layer
—
compare
topsoil
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