sponge rubber


noun

a light, spongy rubber, usually prepared by bubbling carbon dioxide through or whipping air into latex, used for padding, insulation, gaskets, etc.; foam rubber.

Origin of sponge rubber

First recorded in 1885–90

Example sentences from the Web for sponge rubber

  • His gait was a little awkward, in spite of the sponge-rubber floor, because of the huge flowered carpetbag he was carrying.

    The Foreign Hand Tie |Gordon Randall Garrett