1 underclay | Definition of underclay
Logo
Menu
dictionary thesaurus

underclay

noun

Definition of underclay

: a layer of clay beneath a coal bed often containing fossil roots of coal plants and constituting fireclay

History and Etymology for underclay

under entry 3 + clay

Keep scrolling for more

WORD OF THE DAY

See Definitions and Examples

Get Word of the Day daily email!