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fibre

noun (THREAD) UK (US fiber)
 
 
/ˈfaɪ.bər/ US  /-bɚ/

Definition

[C] any of the thread-like parts that form plant or artificial material and can be made into cloth: The fibres are woven into fabric.General words for textiles [C or U] threads when they are in a mass that can be used for making products such as cloth and rope: Natural fibres such as cotton tend to be cooler. artificial/man-made/natural fibreGeneral words for textiles [C or U] one of various thread-like structures in the body, such as those found in muscle: muscle fibre(s)Substances and structures in the body
(Definition of fibre noun (THREAD) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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