underlayment

[ uhn-der-ley-muh nt ]

/ ˌʌn dərˈleɪ mənt /

noun

material laid between a subfloor and a finish floor of linoleum, asphalt tile, etc.

Nearby words

underkill, underlaid, underlap, underlay, underlayer, underlayment, underleaf, underlet, underlie, underline, underlinen

Origin of underlayment

First recorded in 1945–50; underlay + -ment

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019