Definition of "fibre" in English

noun

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

   • The microscope showed several different fibres stuck to the sole of the shoe.

2. (uncountable) Material in the form of fibres.

   • The cloth was made from strange, somewhat rough fibre.

3. Dietary fibre.

   • Fresh vegetables are a good source of fibre.

4. Moral strength and resolve.

   • The ordeal was a test of everyone’s fibre.

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

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

6. (category theory) Said to be of a morphism over a global element: The pullback of the said morphism along the said global element.

7. (computing) A kind of lightweight thread of execution.

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