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.
Keep your feet warm this season with these plush socks and memory foam slippers. Caroline Hughes, Travel + Leisure, 30 Dec. 2025 Goewy Fuzzy Slippers Between fuzzy fabric and a memory foam lining, these slippers will keep your feet toasty on chilly floors, all while cushioning your feet. Nicol Natale, PEOPLE, 28 Dec. 2025 This mattress uses pressure-relieving memory foam that conforms to the body and helps circulation. Audrey Lee, Architectural Digest, 26 Dec. 2025 Amazon’s Super Saturday sale includes winter-ready clothing deals up to 71% off, with standout finds like heated vests, memory foam slippers, and cloud-like clogs. Mariana Best, Better Homes & Gardens, 20 Dec. 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

Browse Nearby Words

Cite this Entry

“Memory foam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/memory%20foam. Accessed 7 Jan. 2026.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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