Artificial silk (5)

I believe the answer is:
rayon
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">artificial silk</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for rayon that I've seen before include "Synthetic silk-like fabric" , "Artificial fibre" , "Or any (anag) -- fibre" , "Silklike material" , "Man-made fabric" .)