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

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

From The Wall Street Journal ● Feb. 17, 2026

Sewing machines hum in the background as workers stitch fabric into the right shape to cover memory foam cushions.

From BBC ● May 14, 2025

Recently, she slept on her sister’s Swedish memory foam mattress while taking care of her pets for the weekend.

From Los Angeles Times ● Jul. 23, 2024

Don’t try this on memory foam mattresses, though, McAllister says; it can damage the porous material.

From Seattle Times ● Jan. 16, 2024

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