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Webster 1913 Edition

Undersoil

Un′der-soilˊ

,

Noun.

The soil beneath the surface; understratum; subsoil.

Webster 1828 Edition

Undersoil

UN'DERSOIL

,

Noun.

Soil beneath the surface; subsoil.

Definition 2024

undersoil

undersoil

English

Noun

undersoil ‎(plural undersoils)

(geology) The soil underneath the surface / topsoil and above the bedrock