fiber

• fibre (chiefly British)

From French fibre, from Old French fibre, from Latin fibra.

• (General American) IPA^(key): /ˈfaɪ.bɚ/

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• (Received Pronunciation) IPA^(key): /ˈfaɪ.bə/
• Rhymes: -aɪbə(ɹ)
• Hyphenation: fi·ber

fiber (countable and uncountable, plural fibers) (American spelling)

1. (countable) A single elongated piece of a given material, roughly round in cross-section, often twisted with other fibers to form thread.

   The microscope showed a single blue fiber stuck to the sole of the shoe.

2. (uncountable) A material in the form of fibers.

   The cloth is made from strange, somewhat rough fiber.

3. (textiles) A material whose length is at least 1000 times its width.

   Please use polyester fiber for this shirt.

4. Dietary fiber.

   Fresh vegetables are a good source of fiber.

5. (figuratively) Moral strength and resolve.

   The ordeal was a test of everyone's fiber.

6. (mathematics) The preimage of a given point in the range of a map.

   Holonyms: bundle, fiber bundle

   Meronym: germ

   Under this map, any two values in the fiber of a given point on the circle differ by 2π.

7. (category theory) The pullback of a morphism along a global element (called the fiber of the morphism over the global element).
8. (computing) A kind of lightweight thread of execution.
   • 2008, Joe Duffy, Concurrent Programming on Windows, Pearson Education, →ISBN, page unnumbered:

     We've seen how to create a new fiber and convert the current thread into a fiber (which continues to run after the conversion), but we have yet to focus on how to schedule a new fiber onto the current thread.

9. (cytology) A long tubular cell found in bodily tissue.

   Hyponyms: axon, myocyte, muscle fiber, nerve fiber

• FBIer, brief, fibre

fiber c (definite singular fiberen, indefinite plural fibre, definite plural fibrene)

1. fibre (UK), fiber (US)

From Proto-Indo-European *bʰébʰrus. Doublet of beber.

• (Classical) IPA^(key): /ˈfi.ber/, [ˈfɪbɛr]
• (Ecclesiastical) IPA^(key): /ˈfi.ber/, [ˈfiːber]

fiber m (genitive fibrī); second declension

1. beaver

Second-declension noun (nominative singular in -er).

• castor (more common), beber (Late Latin)

• fibrīnus

• “fiber”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press

From Latin fibra (“fiber, filament”), possibly from *fidber or *findber, from Proto-Indo-European *bʰeyd- (“to split”).

fiber m (definite singular fiberen, indefinite plural fibere or fibre or fibrer, definite plural fiberne or fibrene)

1. fibre (UK), fiber (US)

• “fiber” in The Bokmål Dictionary.

fiber m (definite singular fiberen, indefinite plural fibrar, definite plural fibrane)

1. fibre (UK), fiber (US)

• fiberoptisk
• fiberrik
• karbonfiber
• naturfiber

• “fiber” in The Nynorsk Dictionary.

fiber c

1. fibre (UK), fiber (US)