fiber

Noun

fiber (countable and uncountable, plural fibers)

1. (US, 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. (US, uncountable) A material in the form of fibers.
   • The cloth is made from strange, somewhat rough fiber.
3. (US) A material whose length is at least 1000 times its width.
   • Please use polyester fiber for this shirt.
4. (US) Dietary fiber.
   • Fresh vegetables are a good source of fiber.
5. (US, figuratively) Moral strength and resolve.
   • The ordeal was a test of everyone's fiber.
6. (US) The preimage of a given point in the range of a map.
   • Under this map, any two values in the fiber of a given point on the circle differ by 2π.
7. (US) The pullback of a morphism along a global element (called the fiber of the morphism over the global element).
8. (US) A kind of lightweight thread of execution.
   • 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.2008, Joe Duffy, Concurrent Programming on Windows, Pearson Education, →ISBN, unnumbered page
9. (US) A long tubular cell found in bodily tissue.