Definitions for underclay
This page provides all possible meanings and translations of the word underclay
A stratum of clay lying beneath a coal bed.
a stratum of clay lying beneath a coal bed, often containing the roots of coal plants, especially the Stigmaria
Chambers 20th Century Dictionary
un′dėr-klā, n. the bed of clay almost always found under coal-seams, considered as the soil in which grew the plants that formed the coal.
The numerical value of underclay in Chaldean Numerology is: 3
The numerical value of underclay in Pythagorean Numerology is: 4
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