Definition of subsoil noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈsʌbsɔɪl//
; NAmE NAmE//ˈsʌbsɔɪl//
[uncountable] Growing crops
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the layer of soil between the surface of the ground and the hard rock underneath it compare topsoil See related entries: Growing crops
See the Oxford Advanced American Dictionary entry: subsoil