Thesaurus
A really fast thesaurus... with lots of synonyms.
understratum (0 synonym found)
Definition of understratum:
(n) :
The layer, or stratum, of earth on which the soil rests; the subsoil.
Definition of understratum:
(n) :
The layer, or stratum, of earth on which the soil rests; the subsoil.
A make the world a better place giveback project.
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