memory foam

American  

[mem-ree fohm] / ˈmɛm ri ˌfoʊm /

noun

memory foams plural

1. a dense polyurethane foam that is sensitive to pressure and temperature and assumes the contours of what is placed on it, while conforming closely and without springing back immediately after the weight is removed, as if retaining a memory of it: used especially in pillows, mattresses, and mattress toppers.

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Other Word Forms

Derived Forms

• memory-foam
  adjective

Inflected Forms

Nouns

• memory foams
  plural

Example Sentences

See Examples For:

memory foam

"I got a three inch memory foam mattress pad so it felt just like my bed at home," Ali says.

From BBC ● Apr. 17, 2026

Would it be bamboo charcoal memory foam, a C-shaped full body or a honeycomb hole?

From The Wall Street Journal ● Feb. 17, 2026

At the same time, several new alternative mattress technologies hit the market, including airbeds, the Sleep Number, Tempur-Pedic and memory foam.

From Los Angeles Times ● Jul. 23, 2024

After the first container exploded, a second metal shipping container — believed to hold memory foam — fell down on top of it and caught fire, but no other cars ignited.

From Seattle Times ● Nov. 23, 2023

There was a “home theater” memory foam futon with a built-in cup holder from a Walmart return center.

From New York Times ● Jul. 30, 2022