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fibre

American  
[fahy-ber] / ˈfaɪ bər /

noun

Chiefly British.
  1. a variant of fiber.


fibre British  
/ ˈfaɪbə /

noun

  1. a natural or synthetic filament that may be spun into yarn, such as cotton or nylon

  2. cloth or other material made from such yarn

  3. a long fine continuous thread or filament

  4. the structure of any material or substance made of or as if of fibres; texture

  5. essential substance or nature

    all the fibres of his being were stirred

  6. strength of character (esp in the phrase moral fibre )

  7. See dietary fibre

  8. botany

    1. a narrow elongated thick-walled cell: a constituent of sclerenchyma tissue

    2. such tissue extracted from flax, hemp, etc, used to make linen, rope, etc

    3. a very small root or twig

  9. anatomy any thread-shaped structure, such as a nerve fibre

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of fibre

C14: from Latin fibra filament, entrails

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"What I'm putting in my body is good fuel and energy and teff has so much. It energises you so much before a workout and it gives you the fibre you need."

From BBC Aug. 20, 2026

The testing in June 2022 reportedly found Chrysotile asbestos in 10% of its samples - the same type of loose asbestos fibre claimed to be in the sample collected by Hill.

From BBC Aug. 20, 2026

A review of sleepwear and bedding fibre types found that bedding and clothing can affect thermal comfort during sleep.

From Science Daily Jul. 29, 2026

"Power, grid, cooling, land-use, fibre, regulation and community engagement need to be planned together," he said.

From Barron's Jul. 17, 2026

I can weave and spin, or plait matting, but there is no money for spindle, cotton or fibre.

From "Nectar in a Sieve" by Kamala Markandaya

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