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Definition of Underclay
1. n. A stratum of clay lying beneath a coal bed, often containing the roots of coal plants, especially the Stigmaria.
2. n. A stratum of clay lying beneath a coal bed, often containing the roots of coal plants, especially the Stigmaria.
Definition of Underclay
1. Noun. (geology) A stratum of clay lying beneath a coal bed. ¹
¹ Source: wiktionary.com
Definition of Underclay
1. [n -CLAYS]
Medical Definition of Underclay
1.
Lexicographical Neighbors of Underclay
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