memory foam

noun
Updated on: 18 Nov 2017

Definition of memory foam

:a dense polyurethane foam that becomes more pliable when in contact with heat

Recent Examples of memory foam from the Web

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.

First Known Use of memory foam

1977


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