underclay (0 synonym found)

We don't have synonyms for underclay yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are undercoat, underplay and under way.


We don't have any synonyms for underclay yet.

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Definition of underclay:

(n) : (geology) A stratum of clay lying beneath a coal bed.

Definition of underclay:

(n) : (geology) A stratum of clay lying beneath a coal bed.

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