# fiber

Pronunciation: US say "FY-bur" /ˈfaɪ.bɚ/; UK say "FY-buh" /ˈfaɪ.bə/

## Noun

1. A material that takes the form of long, thin strands.
   - Simple: Material made up of many thin, thread-like pieces.
   - _Manufacturers blend several kinds of fiber to make a durable rope._
   - _The insulation relies on a dense fiber that traps warm air._
2. A single long, thin piece of material, roughly round across, often twisted with others to form thread.
   - Simple: One thin, thread-like piece of material, often twisted with others to make thread.
   - _Under the microscope, a single fiber looked perfectly smooth and even._
   - _Workers spin thousands of fibers together into one continuous thread._
3. The indigestible part of plant-based foods, valued for supporting healthy digestion.
   - Simple: The part of plant foods your body cannot digest, which helps your stomach work well.
   - _Doctors recommend getting plenty of fiber from fruits and vegetables._
   - _A diet low in fiber can lead to digestive problems._
4. Inner strength of character and the resolve to do what is right.
   - Simple: Inner strength that helps a person do what is right.
   - _Facing the scandal honestly revealed the fiber of his character._
   - _Only someone of strong moral fiber would have refused the bribe._
5. A long, tube-shaped cell found in bodily tissue, as in muscle.
   - Simple: A long, tube-shaped cell found in the body's tissues, such as in muscles.
   - _The biopsy showed damage to a single muscle fiber._
   - _Under the microscope, each fiber appeared as one long cell with several nuclei along its edge._

## Other meanings

- (noun) A lightweight thread of execution used to run tasks within a program.
- (noun) The set of all points that a function maps to a single given point in its range.
- (noun) In category theory, the pullback of a morphism along a global element of its codomain.

## Origin

Borrowed from French fibre, from Old French fibre, which comes from Latin fibra.

Source: DictionaryAI, https://dictionaryai.com/define/fiber (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).