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
Words nearby sponge rubber
sponge cake,
sponge cloth,
sponge down,
sponge iron,
sponge on,
sponge rubber,
sponge tree,
sponged ware,
spongefly,
sponger,
spongeware
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