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.
It’s made of seven layers, including five types of memory foam that provide pressure-relieving, contouring support. Nashia Baker, Architectural Digest, 4 Sep. 2025 With the A30s, Soundcore now offers memory foam ear and wing tips as well as silicon, the former optimized for comfort and the latter for sound isolation. Benny Har-Even, Forbes.com, 4 Sep. 2025 The toddler side is made with CertiPUR-USA high-density memory foam. Bestreviews, Chicago Tribune, 3 Sep. 2025 While some flat shoes can lack support, these mules have a memory foam insole that helps cushion your feet, specifically around your arch and the ball of your foot. Rachel Trujillo, People.com, 1 Sep. 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 8 Sep. 2025.

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