fiber
/ˈfaɪ.bɚ/
Proposed by a contributor, not yet supported by evidence.
Also seen as: fibers
Sense 1
Meaning · English
A single elongated piece of a given material, roughly round in cross-section, often twisted with other fibers to form thread.
NounRegister: US
Examples
The microscope showed a single blue fiber stuck to the sole of the shoe.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
A material in the form of fibers.
NounRegister: US
Examples
The cloth is made from strange, somewhat rough fiber.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “fiber” mean?
A single elongated piece of a given material, roughly round in cross-section, often twisted with other fibers to form thread.
Is “fiber” formal or informal?
fiber is generally US.