Under oil definitions

Undersoil

1) Dirt 2) Soil 3) Subsoil 4) The soil beneath the surface
Found on https://www.crosswordclues.com/clue/undersoil

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Undersoil

1) Subsoil
Found on https://www.crosswordclues.com/clue/undersoil

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Undersoil

• (n.) The soil beneath the surface; understratum; subsoil.
Found on http://thinkexist.com/dictionary/meaning/undersoil/

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