memory foam

noun

: a dense polyurethane foam that becomes more pliable when in contact with heat

Examples of memory foam in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The mesh upper keeps things cool, while the memory foam insole offers just the right amount of cushion for all-day wear. Becca Blond, Travel + Leisure, 1 Apr. 2025 Wayfair currently has over 8,000 bedding deals on cooling sheets, airy duvet covers, gel fiber pillows, and memory foam mattress toppers for up to 87 percent off. Ali Faccenda, People.com, 1 Apr. 2025 To help, the brand uses a memory foam and perforated latex insole for a combination of comfort and breathability underfoot. Tim Newcomb, Forbes, 20 Mar. 2025 Firmness is determined by the fill material—latex and memory foam make for a firmer pillow, while down and down alternative typically make for plusher pillows. Megan Wahn, Architectural Digest, 20 Mar. 2025 See All Example Sentences for memory foam

Word History

First Known Use

1977, in the meaning defined above

Time Traveler
The first known use of memory foam was in 1977

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Cite this Entry

“Memory foam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/memory%20foam. Accessed 15 Apr. 2025.

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