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.
Anderson says open-cell memory foam and a cool-to-the-touch cover help combat heat retention without losing shape, which translates to consistent airflow and support all night long. V Brand Stories, Forbes.com, 22 May 2026 Known for more approachable price points and high-quality memory foam mattresses, the brand comes highly recommended by contributor Yelena Moroz Alpert. Blake Bakkila, Architectural Digest, 21 May 2026 Enjoy cloud-like cushioning, thanks to the memory foam in theCushionaire Cha Flat Strappy Sandals and the Cushionaire Timmi Suede Slides. Caroline Hughes, Travel + Leisure, 19 May 2026 The memory foam interior adapts comfortably to your neck while the adjustable closure gives you a personalized fit. ABC News, 16 May 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

Browse Nearby Words

Cite this Entry

“Memory foam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/memory%20foam. Accessed 30 May. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster