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.
Lucky Step Platform Sneakers These brown suede platform sneakers give a subtle lift while staying super comfortable thanks to memory foam insoles and arch support. Chaise Sanders, Travel + Leisure, 8 Nov. 2025 Featuring three layers of high-density memory foam, the slippers also provide support that’s comfortable enough for all-day wear—not just warmth. Mariana Best, Better Homes & Gardens, 8 Nov. 2025 Its dual beamforming mics cut background noise, while memory foam earcups and breathable fabric keep your ears comfy. PC Magazine, 4 Nov. 2025 Energex is designed to be a more advanced version of standard memory foam, offering greater pressure relief that adapts to each sleeper's unique body shape. Julia Forbes, Wired News, 31 Oct. 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 10 Nov. 2025.

Last Updated: - Updated example sentences
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