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

 

rayon

 noun
noun
BrE BrE//ˈreɪɒn//
 
; NAmE NAmE//ˈreɪɑːn//
 
[uncountable] Materials and properties
 
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a fibre made from cellulose; a smooth material made from this, used for making clothes See related entries: Materials and properties Word Origin 1920s: an arbitrary formation.
See the Oxford Advanced American Dictionary entry: rayon