Synthetic fibre (5)
'synthetic fibre' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for nylon that I've seen before include "Fabric (originally from New York and London)" , "Stocking; polymer" , "Fibre of polymeric amides" , "A thermoplastic" , "Artific ial (stocking) material" .)
'synthetic fibre' is the definition.
(I know that Rayon is a type of synthetic fibre)
This is all the clue.
(Other definitions for rayon that I've seen before include "Synthetic silk-like fabric" , "Artificial fibre" , "Cellulose fabric" , "Semi-synthetic material" , "Artificial silk fabric" .)