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Undersoil
noun
Definitions
Noun
- 1 The soil underneath the surface / topsoil and above the bedrock.
"It is a singular fact, that on the two great continents in the northern hemisphere […] we have the zone of perpetually frozen under-soil in a low latitude […]"
- 2 the layer of soil between the topsoil and bedrock wordnet
Etymology
From under- + soil.
See also for "undersoil"
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