fibre definition, meaning - what is fibre in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “fibre”

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fibre

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

fibre noun (THREAD)

[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. [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 fibre [C or U] one of various thread-like structures in the body, such as those found in muscle: muscle fibre(s)
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fibre noun (FOOD)

C1 [U] a substance in certain foods, such as fruit, vegetables, and brown bread, that travels through the body as waste and helps the contents of the bowels to pass through the body easily: You should eat more dietary fibre to reduce the risk of bowel cancer.
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fibre noun (CHARACTER)

[U] strength of character: He lacked the moral fibre to be leader.
(Definition of fibre from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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