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.
Not only will the strappy upper keep your feet cool under the hot Mediterranean sun, but the plush memory foam insole provides more cushioned support and durability than flimsy flip-flops. Julia Morlino, Travel + Leisure, 17 Aug. 2026 This pair has a padded memory foam insole that adds arch support and contours to your foot shape. Maggie Horton, PEOPLE, 17 Aug. 2026 For even more cooling properties and pressure relief, consider the brand’s upgraded luxe memory foam mattress. Julia Harrison, Architectural Digest, 7 Aug. 2026 The suede and mesh sneakers feature memory foam padding and anti-slip outsoles for a comfortable and supportive fit. Isabel Bekele, InStyle, 5 Aug. 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 24 Aug. 2026.

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