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.
This set of two queen size memory foam pillows chases night sweats away thanks to a double-sided cover design that features ice silk fabric on one side and a rayon and polyester blend on the other. Stephanie Osmanski, Better Homes & Gardens, 29 July 2025 Cooling properties Gel mattress toppers have an innate cooling property, thanks to the gel beads dispersed around the topper, unlike memory foam toppers, which can trap heat and make for a hotter sleeping experience. Bestreviews, Chicago Tribune, 28 July 2025 It’s made from four inches of memory foam and is machine-washable. Christopher Murray 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 July 2025 Plus, the insole has a cushy memory foam that’s supportive but bouncy for a comfortable gait. Shea Simmons, People.com, 24 July 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 2 Aug. 2025.

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