memory foam


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

Emma bills itself as a cooling memory foam mattress that keeps out the heat with its breathable Airgocell® foam. Marc Davila, House Beautiful, "Why Switching to an Emma Mattress Helped Me Sleep Better Than Ever," 1 Aug. 2019 The Beautyrest Recharge Dawson 121/2-inch hybrid firm mattress ($1,299-$1,999, works well for those sharing beds with restless sleepers because the memory foam won’t move around as much, Meshberg says. Eustacia Huen, Twin Cities, "Can’t sleep? You probably need to make these changes.," 9 Aug. 2019 For many people, memory foam provides the perfect level of support and comfort. Allure, "The 9 Best Memory Foam Pillows, According to an Orthopedic Surgeon," 22 May 2019 The skull was wrapped in a memory foam mattress before being transported to Kjelland's lab. Vandana Ravikumar, USA TODAY, "California college student Harrison Duran has long been 'obsessed' with dinosaurs. He just found a real one," 25 July 2019 Once out of the ground, the fossil was coated in foil and plaster, put in a box and wrapped in a memory foam mattress for transportation to the lab for further research. Amanda Jackson, CNN, "College student unearths 65 million-year-old Triceratops skull," 24 July 2019 Eco-memory foam mattresses are wrapped in 5,000-thread-count linens and topped with down-alternative comforters and pillows. San Diego Union-Tribune, "New businesses include hotels in Encinitas, Escondido," 11 July 2019 Life spans tend to be shorter with latex mattresses, memory foam or inner spring mattresses. NBC News, "The best Fourth of July mattress sales and how to get your money's worth," 3 July 2019 In the bags are comfort items – toilet paper, crackers, small packs of raisins, a memory foam pad to put on their hospital beds and a special binder with information on how to navigate finances and networking when your child is seriously ill. Sarah Ladd, The Courier-Journal, "Louisville group gives a shoulder for parents of ill kids to cry on and space to be angry," 24 June 2019

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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Statistics for memory foam

Last Updated

2 Sep 2019

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Time Traveler for memory foam

The first known use of memory foam was in 1977

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to make a temporary encampment

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