Definition of “fibre” - English Dictionary

“fibre” in British English

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fibrenoun

UK US fiber uk /ˈfaɪ.bər/ us /ˈfaɪ.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.

[ 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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(Definition of “fibre” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“fibre” in Business English

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fibrenoun

uk /ˈfaɪbər/ us UK US fiber

[ C or U ] a thread-like part made from plants or artificial material which can be made into products:

Natural fibres such as cotton tend to be cooler.
artificial/man-made/synthetic fibre(s)
They use lightweight carbon fiber for auto bodies.
The data-carrying capacity of a strand of optical fibre is doubling every year.

(Definition of “fibre” from the Cambridge Business English Dictionary © Cambridge University Press)