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.
Here are the top memory foam mattresses on sale today. Alora Bopray, USA Today, 7 May 2026 The Rockdove Solara Flat Sandals, for instance, are versatile and lightweight, with cushioned memory foam footbeds for all-day comfort and support. Lydia Mansel, Travel + Leisure, 6 May 2026 Thankfully, these kitchen mats offer ample support without compromising on style, as they’re made from dense memory foam that cushions your feet while reducing pressure on your back and joints. Alicia Geigel, Southern Living, 5 May 2026 Known for more approachable price points and high-quality memory foam mattresses, the brand comes highly recommended by contributor Yelena Moroz Alpert. Blake Bakkila, Architectural Digest, 1 May 2026 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 9 May. 2026.

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