underlayment
noun/ˌʌndərˈleɪmənt/
Frequency rank: #19,944 most common English word
Meaning
A layer of material placed under a floor covering to provide cushioning, insulation, or moisture protection.
Example sentence
The contractor installed thick underlayment beneath the hardwood floors to reduce noise and moisture.
Synonyms & related words
- padding
- cushioning
- backing
- lining
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