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.
We were all riveted by the image of a glass of red wine undisturbed by a woman jumping next to it on the bed and the idea of sleeping on memory foam originally developed by NASA, now available to us. — Jaklin Romine oct. 15, Los Angeles Times, 15 Oct. 2026 The faux-fur lining adds warmth on chilly days, while the cooling memory foam insoles and roomy toe area keep your feet comfortable. — Jill Layton, PEOPLE, 7 Oct. 2026 The tall footwear silhouette is crafted from goat leather and cushioned with a memory foam insole. — Jaden Thompson, Footwear News, 6 Oct. 2026 The biggest standout feature these headphones have is their memory foam earcups. — Carlos Mejia, PC Magazine, 6 Oct. 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

Rhymes for memory foam

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Browse Nearby Words

memory card
memory foam
memory hole
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Cite this Entry

“Memory foam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/memory%20foam. Accessed 20 Oct. 2026.

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