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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The breathable upper keeps feet cool during long hours of wear, while the cushioned memory foam insole absorbs shock and adds bounce to every step. Alexandra Emanuelli, Southern Living, 30 May 2025 That includes these cooling bed sheets that have more than 274,000 five-star ratings and these comfy flip-flops made with memory foam for ultimate arch support. Shalwah Evans, People.com, 25 May 2025 The Siena eight-inch twin mattress with gel memory foam is an excellent option for sleepers looking for a medium-firm feel. Nora Colomer 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, 21 May 2025 For example, the ear cups now have a wider shape and include an extra layer of memory foam that boosts the cushioning and cooling effect of the ear pads. Mark Sparrow, Forbes.com, 21 May 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 4 Jun. 2025.

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