Definition of "elastomer" [elastomer]

• Any of various polymers having the elastic properties of natural rubber. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Over the years sealing applications have evolved from the traditional rubber and rubber-fabric seal constructions to a design which has a face of hard wearing thermoplastic polyester elastomer in contact with the bore, whereas the older design relies on a nitrile rubber dynamic sealing element."
• "The JanSport Air Cure Laptop Backpack ($50) has shock-absorbing elastomer that distributes the weight of heavy loads more evenly, decreasing pressure by 50% on the shoulders and upper back."
• "And it incorporates interchangeable elastomer damper inserts to help absorb road vibration."