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 insole is a dream for long travel days, and the slip-on design makes breezing through TSA feel almost luxurious. Chaise Sanders, Travel + Leisure, 21 Jan. 2026 There are comfy memory foam picks, sustainably made surfaces, and even luxe fabrics like chenille and jacquard for the absolute pillow aesthetes. Audrey Lee, Architectural Digest, 20 Jan. 2026 Also, not all mattress toppers and memory foam mattresses are safe to use with a heating pad. Brandee Gruener, Southern Living, 20 Jan. 2026 These booties, which are lined with plush faux fur and cushioned with memory foam, are the kind of gift someone will never want to take off. Toni Sutton, PEOPLE, 17 Jan. 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 28 Jan. 2026.

Last Updated: - Updated example sentences
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