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.
Whether someone nearby has their reading light on or the sun is streaming through the window, this memory foam eye mask will block it all out, ensuring a peaceful sleep. Rosie Marder, Travel + Leisure, 16 Jan. 2025 These vegan kicks have a memory foam insole that the brand says will keep the air flowing into your shoe with every step. Clint Davis, People.com, 12 Jan. 2025 This cervical pillow uses contoured memory foam to ease neck and shoulder soreness. Veronica Booth, Rolling Stone, 20 Dec. 2024 The memory foam sole also lends some comfort and arch support so your feet won’t hurt after babysitting a high-maintenance stew all day. Anne Loreto Cruz, Bon Appétit, 10 Dec. 2024 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

Dictionary Entries Near memory foam

Cite this Entry

“Memory foam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/memory%20foam. Accessed 22 Jan. 2025.

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!