fiber

noun9

1. •
   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. •
   Dietary fiber.

   • Fresh vegetables are a good source of fiber.
3. •
   A material in the form of fibers.

   • The cloth is made from strange, somewhat rough fiber.
4. •
   A material whose length is at least 1000 times its width.

   • Please use polyester fiber for this shirt.
5. •
   (figurative) Moral strength and resolve.

   • The ordeal was a test of everyone's fiber.
6. •
   A long tubular cell found in bodily tissue.
7. •
   A kind of lightweight thread of execution.
8. •
   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.
9. •
   The pullback of a morphism along a global element (called the fiber of the morphism over the global element).