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
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They’re also designed with memory foam insoles for a pillowy feel with each step. Kyra Surgent, InStyle, 16 June 2026 The memory foam layers adjust to your sleep position, which makes falling asleep easy. Audrey Lee, Architectural Digest, 15 June 2026 Available in black, white, or midnight blue, the headset features matte plastic earcups with big, soft memory foam earpads wrapped in a nicely supple faux leather. Will Greenwald, PC Magazine, 14 June 2026 With temperatures on the rise, pick up this set of cooling pillows with a breathable bamboo cover and memory foam interior, or grab an all-season duvet insert that gives you a cozy, lofty feeling without all the weight. Shea Simmons, Southern Living, 13 June 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 23 Jun. 2026.

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