Crossword Genius

Material (6)

Ross

'material' is the definition.
(fibre is a kind of material)

This is the entire clue.

(Other definitions for fibre that I've seen before include "Threadlike substance" , "Brief (anag.)" , "In brief, a thread" , "Long fine thread" , "Thread; stamina" .)

I've seen this clue in The Mirror, The Telegraph, The Guardian, the LA Times, The Times and the Evening Standard.
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