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.
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 This mattress topper from Tempur-Pedic adds three inches of supportive memory foam right on top of your existing mattress. — Audrey Lee, Architectural Digest, 6 Oct. 2026 This interior also features reshaped seats lined with an extra layer of memory foam, individual rear outer chairs and jewelry-quality anodized metal switchgear throughout. — New Atlas, 2 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

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Cite this Entry

“Memory foam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/memory%20foam. Accessed 14 Oct. 2026.

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