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elastomer

American

[ih-las-tuh-mer] / ɪˈlæs tə mər /

noun

Chemistry.

an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene.

elastomer British

/ ɪˈlæstəmə /

noun

any material, such as natural or synthetic rubber, that is able to resume its original shape when a deforming force is removed

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

elastomeric

adjective

Etymology

Origin of elastomer

1935–40; elast(ic) + -o- + Greek méros a part

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

elastomer

To further improve flexibility, the team incorporated a thermoplastic polyurethane elastomer matrix into the ExciPh layer.

From Science Daily ● Jan. 15, 2026

These microparticles are placed in a precursor solution, where they absorb elastomer compounds and swell up.

From Science Daily ● Apr. 18, 2024

“We cover the surface of this Jell-O with this very thin membrane of elastomer so that the water inside the Jell-O will not evaporate out.”

From Scientific American ● Jul. 29, 2022

“So we may have to potentially change the elastomer seals for SAF use.”

From Scientific American ● Dec. 3, 2021

The Jovian gases that strained their tough elastomer did not much blur the stars seen through them; but they swelled high enough to catch the light of the hidden sun and shimmer with it.

From Industrial Revolution by Poul William Anderson

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023