Underclay Definition

undərklā
noun
A bed of clay lying immediately beneath a coal seam, often used as a fireclay.
Webster's New World

Other Word Forms of Underclay

Noun

Singular:
underclay
Plural:
underclays

Origin of Underclay

  • under- +"Ž clay

    From Wiktionary

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Unscrambles

underclay