: a dense polyurethane foam that becomes more pliable when in contact with heat
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The memory foam construction also provides plush cushioning to prevent pinching.—Bestreviews, Mercury News, 26 Mar. 2026 The 8-in-tall (20-cm) mattress features a combination of memory foam and spring support to offer the most supportive comfort.—New Atlas, 26 Mar. 2026 At the same time, they are positioned as a step up from standard memory foam mattresses in terms of construction and materials.—Jason Phillips, USA Today, 25 Mar. 2026 Some are as simple as a memory foam or contoured pillow, others are quite elaborate contraptions that keep your neck and spine in a precise position.—Kristine Thomason, Vogue, 25 Mar. 2026 See All Example Sentences for memory foam