viscose rayon fiber

from The Collaborative International Dictionary of English v.0.48

Rayon \Ray"on\ (r[=a]"[o^]n), n.
   1. A synthetic fiber, made of thin filaments of regenerated
      cellulose, extruded from a solution of {viscose}. Called
      also {viscose fiber} and {viscose rayon fiber}.
      [PJC]

   2. a textile fabric made from rayon[1].
      [PJC]