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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This memory foam bed from The Dog’s Bed features a waterproof orthopedic design with a washable cover that easily zips on and off, providing comfort and practicality. Jené Luciani Sena May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 25 Apr. 2025 And while these memory foam platforms and this elegant shirtdress from my haul have already become staples in my wardrobe, one purchase in particular was the real star of the show: A New Day’s Gingham Bow Sandals. Megan Schaltegger, People.com, 25 Apr. 2025 The most popular ones are memory foam, standard foam, and polyfill. Bestreviews, Chicago Tribune, 16 Apr. 2025 The set comes with one flat and one fitted sheet, and two pillowcases—plus, the sheets also have 18-inch pockets that have enough give to pair with memory foam or mattress toppers, providing the best fit possible. Stephanie Osmanski, Better Homes & Gardens, 30 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 29 Apr. 2025.

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