Definition of elastomer noun from the Oxford Advanced Learner's Dictionary

 

elastomer

 noun
noun
BrE BrE//ɪˈlæstəmə(r)//
 
; NAmE NAmE//ɪˈlæstəmər//
 
(chemistry)
 
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a natural or artificial chemical that behaves like rubber Word Origin 1930s: from elastic + -mer.
See the Oxford Advanced American Dictionary entry: elastomer