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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In between the 3-inch gel memory foam layer and 5.5-inch bamboo charcoal foam base, a transitional foam layer provides a buffer, encouraging proper alignment, according to the brand. Maggie Horton, People.com, 3 July 2025 This height adjustable velvet chair has memory foam padding in the seat and arms, and a wheeled base with 360-degree casters. Julia Harrison, Architectural Digest, 2 July 2025 Inside the memory foam ear pads are seven layers of noise reduction, cutting background noise by 30 decibels. Olivia Young, Travel + Leisure, 1 July 2025 Nectar’s flagship memory foam mattress is a good fit for a side sleeper because of the pressure-relieving memory foam and medium-firm feel. Nora Colomer May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 27 June 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

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Cite this Entry

“Memory foam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/memory%20foam. Accessed 19 Jul. 2025.

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