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Definition of fibre noun from the Oxford Advanced Learner's Dictionary

fibre

noun
 
/ˈfaɪbə(r)/
 
/ˈfaɪbər/
(US English fiber)
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  1. [uncountable] the part of food that helps to keep a person healthy by keeping the bowels working and moving other food quickly through the body synonym roughage
    • dietary fibre
    • Dried fruits are especially high in fibre.
    • a high-/low-fibre diet
    • He has been advised to increase his fibre intake.
    • bran fibre
    Extra Examples
    • Peaches are a good source of fibre.
    • foods that are rich in fibre
    • foods that have a high fibre content
    • the problems associated with a low fibre diet
    • your total daily intake of dietary fibre
    Topics Cooking and eatingc1
    Oxford Collocations Dictionaryadjective
    • dietary
    • vegetable
    verb + fibre/​fiber
    • be high in
    • be rich in
    fibre/​fiber + noun
    • content
    • intake
    • supplement
    phrases
    • an intake of fibre
    • a source of fibre
    See full entry
  2. [countable, uncountable] a material such as cloth or rope that is made from a mass of natural or artificial threads
    • nylon and other man-made fibres
    • Wear underwear that is made from natural fibres.
    see also glass fibreTopics Physics and chemistryc1
    Oxford Collocations Dictionaryadjective
    • coarse
    • hollow
    • strong
    verb + fibre/​fiber
    • be made from
    • be made of
    fibre/​fiber + noun
    • optics
    See full entry
  3. [countable] one of the many thin threads that form body tissue, such as muscle, and natural materials, such as wood and cotton
    • cotton/wood/nerve/muscle fibres
    • (literary) She loved him with every fibre of her being.
    Extra Examples
    • The disease is characterized by degeneration of muscle fibres.
    • The function of nerve fibres is to transmit coded information from one place to another.
    • Mechanical filters draw air through flat, coarse fibres.
    • Wood fibres or synthetic fibres may be used in the manufacturing process.
    Topics Bodyc1
    Oxford Collocations Dictionaryadjective
    • coarse
    • hollow
    • strong
    verb + fibre/​fiber
    • be made from
    • be made of
    fibre/​fiber + noun
    • optics
    See full entry
  4. see also moral fibre, optical fibre
    Word Originlate Middle English (in the sense ‘lobe of the liver’, (plural) ‘entrails’): via French from Latin fibra ‘fibre, filament, entrails’.
See fibre in the Oxford Learner's Dictionary of Academic English
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adjective
 
 
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