fibre

American  

[fahy-ber] / ˈfaɪ bər /

noun

Chiefly British.

1. a variant of fiber.

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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

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Other Word Forms

• fibred
  adjective
• fibreless
  adjective

Etymology

Origin of fibre

C14: from Latin fibra filament, entrails

Example Sentences

The Spanish telecommunications infrastructure company said Friday that its French subsidiary entered into an agreement with digital platform Vauban Infra Fibre to sell data-center operator Towerlink France for 391 million euros.

From The Wall Street Journal • Oct. 21, 2025

In their study, published in the journal Particle and Fibre Toxicology, the researchers found a way to successfully aerosolize the particles so they could see what happened to them when inhaled.

From Salon • Apr. 28, 2023

In 2020 it clinched deals for Norwegian software firm Visma and UK full-fibre broadband provider Community Fibre while earlier this year it backed Israeli fintech firm Personetics Technologies and British analytics software firm Quantexa.

From Reuters • Sep. 21, 2021

Fibre Space focuses on hand knitting and crocheting, and sells hand-dyed and other yarns that are sourced from within the United States, often from women-owned, small businesses.

From Washington Post • Apr. 12, 2021

Fibre of wool from Chinese sheep.            will show the considerable difference between a wool and a hair fibre.

From The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association by Shonk, Albert