Underclay is valid Scrabble Word

Is underclay a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is underclay valid Words with Friends?
Words with Friends NO

9 letters word
15 points in Scrabble
18 points in WWF

Definitions for UNDERCLAY in dictionary:

NOUN:

a stratum of clay lying beneath a coal bed, often containing the roots of coal plants
grey or whitish clay rock containing fossilized plant roots and occurring beneath coal seams. When used as a refractory, it is known as fireclay
A stratum of clay lying beneath a coal bed, often containing the roots of coal plants, especially the Stigmaria.

Words related to UNDERCLAY

underclays16

Words that contain UNDERCLAY

underclays16

How to use UNDERCLAY in a sentence

But, whatever their present position, there is abundant and conclusive evidence that every under-clay was once a surface soil.
In one of the Rocky Mountain coal-fields there are more than thirty seams of coal, each with its under-clay below it.

Find what other words can be done using letters: "underclay"
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