Fine, tightly twisted thread of long-staple cotton (5)

I believe the answer is:

lisle

(Other definitions for lisle that I've seen before include "(Fabric woven with) a fine cotton thread" , "Strong twisted cotton thread for the strange Ellis" , "Fine smooth cotton thread for stockings" , "Fine cotton thread used in stockings" , "Strong cotton material" .)

I've seen this clue in the Sydney Morning Herald.

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