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 memory foam interior supports your head from all angles, and it’s designed with thoughtful contouring at the back and sides of your neck. Merrell Readman, Travel + Leisure, 14 July 2025 It’s made of 100 percent memory foam to cushion your head and neck for a cozy rest. Nicol Natale, People.com, 10 July 2025 This height adjustable velvet chair has memory foam padding in the seat and arms, and a wheeled base with 360-degree casters. Julia Harrison, Architectural Digest, 10 July 2025 Photograph: Nena Farrell Coop Sleep Goods Original Adjustable Cutout Pillow $99 $79 (20% off) Amazon $99 Coop After testing nearly 30 pillows, this cross-cut memory foam option stands out—especially for side sleepers. Parker Hall, Wired News, 8 July 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 21 Jul. 2025.

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