memory foam
noun
: a dense polyurethane foam that becomes more pliable when in contact with heat
Example Sentences
Recent Examples on the Web The Pet Carrier Fancy four-pawed jet-setters can curl up on the comfy memory foam mattress in Arlo Skye’s airline-compliant faux leather carrier, which has a sleeve that can be attached to your carry-on luggage handle. 
Danielle Directo-meston, The Hollywood Reporter, 26 Aug. 2022 The PetFusion dog bed features a memory foam mattress with a waterproof under-covering to protect against any spills and a soft outer covering. Hannah Jones, Country Living, 24 Aug. 2022 Thanks to the contoured design of the memory foam, the pillow provides support for your neck and enhances proper spine alignment — and this will prevent you from waking up for any shoulder, back, spine, or neck pain. Amy Schulman, PEOPLE.com, 24 July 2022 It's made of solid memory foam, and some styles also come with cooling covers. Emma Seymour, Good Housekeeping, 7 June 2022 The designer’s Pillow Top collection includes pairs cushioned with eight millimeters of high-density memory foam that absorbs energy with every step and molds to your foot. Kathleen Walsh, The Hollywood Reporter, 9 May 2022 Even with a heavy pack, hiking in the Speedgoats felt like having a miniature trampoline made of memory foam under each foot. Kaelyn Lynch, Outside Online, 30 June 2021 Also on sale from Zinus is this 8-inch memory foam mattress. Isabel Garcia, PEOPLE.com, 5 June 2022 The Casper dog bed includes a memory foam mattress, four cushions to create a bolster around the sides, and a protective, washable cover that's easily zipped on and off. Andrea Navarro, Glamour, 9 May 2022 See More
Danielle Directo-meston, The Hollywood Reporter, 26 Aug. 2022 The PetFusion dog bed features a memory foam mattress with a waterproof under-covering to protect against any spills and a soft outer covering. Hannah Jones, Country Living, 24 Aug. 2022 Thanks to the contoured design of the memory foam, the pillow provides support for your neck and enhances proper spine alignment — and this will prevent you from waking up for any shoulder, back, spine, or neck pain. Amy Schulman, PEOPLE.com, 24 July 2022 It's made of solid memory foam, and some styles also come with cooling covers. Emma Seymour, Good Housekeeping, 7 June 2022 The designer’s Pillow Top collection includes pairs cushioned with eight millimeters of high-density memory foam that absorbs energy with every step and molds to your foot. Kathleen Walsh, The Hollywood Reporter, 9 May 2022 Even with a heavy pack, hiking in the Speedgoats felt like having a miniature trampoline made of memory foam under each foot. Kaelyn Lynch, Outside Online, 30 June 2021 Also on sale from Zinus is this 8-inch memory foam mattress. Isabel Garcia, PEOPLE.com, 5 June 2022 The Casper dog bed includes a memory foam mattress, four cushions to create a bolster around the sides, and a protective, washable cover that's easily zipped on and off. Andrea Navarro, Glamour, 9 May 2022 See More Word History
First Known Use
1977, in the meaning defined above