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
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Or for something more affordable, try these stylish faux leather sneakers with a memory foam footbed for $40. Clara McMahon, People.com, 22 Feb. 2025 Coils provided slightly firm support while the memory foam layers came up to meet our joints and spines. Jaylyn Pruitt, Health, 21 Feb. 2025 Included in the roundup are markdowns on our favorite things—sectionals, sheet sets, memory foam mattresses—from some of our favorite places. Julia Harrison, Architectural Digest, 19 Feb. 2025 They are also equipped with a memory foam outer sole, elastic insole, and arch support to ensure all-day comfort. Rachel Trujillo, Travel + Leisure, 13 Feb. 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 3 Mar. 2025.

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