foam rubber

  1. a light, spongy rubber, used for mattresses, cushions, etc.

Origin of foam rubber

First recorded in 1940–45

Words Nearby foam rubber Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use foam rubber in a sentence

  • It was wide and hard, foam rubber over steel, and he kneaded it, digging his fingers in.

    Makers | Cory Doctorow
  • Instead of fiber, the floor seemed to have been covered a foot deep with foam rubber.

    Pagan Passions | Gordon Randall Garrett