sponge rubber

noun

Definition of sponge rubber

: cellular rubber resembling a natural sponge in structure used especially for cushions, vibration dampeners, weather stripping, and gaskets

First Known Use of sponge rubber

1886, in the meaning defined above

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The first known use of sponge rubber was in 1886

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Cite this Entry

“Sponge rubber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sponge%20rubber. Accessed 22 Sep. 2020.

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Britannica.com: Encyclopedia article about sponge rubber

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