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

 

elastane

 noun
noun
BrE BrE//ɪˈlæsteɪn//
 
; NAmE NAmE//ɪˈlæsteɪn//
 
[uncountable](British English)
 
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an artificial material that stretches easily and is used for making underwear, stockings, etc. Word Origin 1970s: from elastic + -ane.