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  1. Oxford American Dictionary

    underlayment

    • IPA[ˌəndərˈlāmənt]

    美式

    • n.
      a layer between a subfloor and a finished floor that facilitates leveling and adhesion

    • noun: underlayment, plural noun: underlayments

    • 釋義

    名詞

    • 1. a layer between a subfloor and a finished floor that facilitates leveling and adhesion the underlayment may be of hardboard or particle board of various thicknesses