memory foam

noun

Definition of memory foam

: 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

Two noteworthy styles: the Helix (starts at $600) and Helix Luxe (starts at $995) mattresses feature a medium feel (not too firm, not too soft), temperature regulation, and memory foam specifically built for side sleepers. Christian Allaire, Vogue, "7 New Online Mattress Companies That Want To Sweeten Your Dreams," 15 Feb. 2019 They're made with pure natural Talalay latex, pulse latex, memory foam, and nano springs, so comfort is guaranteed to last. Sienna Fantozzi, House Beautiful, "Everything You Need To Know About Charles P. Rogers," 19 Nov. 2018 Notable products on sale include the GoWISE 8-in-1 Electric Air Fryer, which is 56 percent off and on sale for $86.51, and Wayfair's popular Lucid gel memory foam mattress, which is currently 72 percent off. Brittney Morgan, House Beautiful, "Wayfair's 4-Day Clearance Sale Is Here, And The Deals Are Amazing," 18 Jan. 2019 In my case, the medium-sized silicone and conforming memory foam tips had the best fit. Stefan Etienne, The Verge, "Razer Hammerhead USB-C ANC review: easy isolation," 20 Dec. 2018 The finish of these headphones is really pleasant to the touch, and that’s complemented by soft memory foam pads that seem to melt around the ear. Vlad Savov, The Verge, "Microsoft Surface Headphones review: all the style without the polish," 15 Nov. 2018 Ideal for sleepers with neck or back pain but equally well-suited for anyone who wants to enjoy a great night's sleep, this best-selling memory foam pillow disperses body heat in order to deliver cooling comfort to your neck and upper back. Popular Mechanics, "This Memory Foam Pillow Keeps You Cool While You Sleep," 10 Oct. 2018 These headphones are designed for comfort, with memory foam earpads and an adjustable band for a customizable fit. Alexandria Haslam, PCWorld, "These TaoTronics wireless over-ear headphones are usually cheap, but today they're only $25," 3 Oct. 2018 The company has three models and two different sizes of teardrop campers, with the largest model boasting a queen memory foam mattress, bug screen, and a pull-out writing desk. Megan Barber, Curbed, "5 lightweight camper trailers you can buy right now," 13 Sep. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'memory foam.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of memory foam

1977, in the meaning defined above

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Last Updated

18 Feb 2019

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Time Traveler for memory foam

The first known use of memory foam was in 1977

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