elastomer

[ih-las-tuh-mer]

e·las·to·mer

[ih-las-tuh-mer]
noun Chemistry.
an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene.

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

e·las·to·mer·ic [ih-las-tuh-mer-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Elastomer is always a great word to know.
So is equilibrium. Does it mean:
the condition existing when a chemical reaction and its reverse reaction proceed at equal rates
to heat intensely or roast
Collins
World English Dictionary
elastomer (ɪˈlæstəmə)
 
n
any material, such as natural or synthetic rubber, that is able to resume its original shape when a deforming force is removed
 
[C20: from elastic + -mer]
 
elastomeric
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Encyclopedia Britannica
Encyclopedia

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.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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