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elastomer

[ih-las-tuh-mer] /ɪˈlæs tə mər/
noun, Chemistry
1.
an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene.
Origin
1935-1940
1935-40; elast(ic) + -o- + Greek méros a part
Related forms
elastomeric
[ih-las-tuh-mer-ik] /ɪˌlæs təˈmɛr ɪk/ (Show IPA),
adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for elastomeric

elastomer

/ɪˈlæstəmə/
noun
1.
any material, such as natural or synthetic rubber, that is able to resume its original shape when a deforming force is removed
Derived Forms
elastomeric (ɪˌlæstəˈmɛrɪk) adjective
Word Origin
C20: from elastic + -mer
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
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Encyclopedia Article for elastomeric

elastomer

any rubbery material composed of long, chainlike molecules that are capable of recovering their original shape after being stretched to great extents. Under normal conditions the long molecules making up an elastomeric material are irregularly coiled. With the application of force, however, the molecules straighten out in the direction in which they are being pulled. Upon release, the molecules spontaneously return to their normal compact, random arrangement.

Learn more about elastomer with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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