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.
Packing a lightweight 285g frame with breathable memory foam pads, its 40mm TriForce drivers separate acoustic fields for superior spatial sound. Juhi Wadia, PC Magazine, 6 July 2026 In fact, this best-selling pair by KuaiLu is designed with memory foam insoles and arch support. Izzy Baskette, PEOPLE, 5 July 2026 Savior is known for working with the finest natural materials, such as Mongolian cashmere and Khangai Yak wool, which are more breathable than synthetic fibers like latex and memory foam. Rachel Cormack, Robb Report, 2 July 2026 The Deluxe Comfort Cool Pillow is made with breathable, open-cell memory foam that holds its shape for consistent support across all sleep positions. V Brand Stories, Forbes.com, 1 July 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 15 Jul. 2026.

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