fiber Definition

  • 1a thread or filament from which a vegetable tissue, mineral substance, or textile is formed
  • 2dietary material containing substances such as cellulose, lignin, and pectin, which are resistant to the action of digestive enzymes

Using fiber: Examples

Take a moment to familiarize yourself with how "fiber" can be used in various situations through the following examples!

  • Example

    The fabric is made of synthetic fibers.

  • Example

    The plant's fibers are used for making paper.

  • Example

    Fiber-rich foods like fruits and vegetables are good for digestion.

  • Example

    The doctor recommended adding more fiber to his diet.

  • Example

    The company provides high-speed fiber internet service.

fiber Synonyms and Antonyms

Phrases with fiber

  • high-fiber

    containing a lot of dietary fiber


    She switched to a high-fiber diet to improve her digestion.

  • fiber optics

    the branch of technology concerned with the transmission of information by light impulses in glass or plastic fibers


    Fiber optics is widely used in telecommunications and internet services.

  • art created from natural or synthetic fibers, such as weaving, knitting, or embroidery


    She learned fiber art techniques from her grandmother.

Origins of fiber

from Latin 'fibra'


Summary: fiber in Brief

The term 'fiber' [ˈfaɪbər] refers to a thread or filament used in textiles or other materials, as well as dietary material that aids digestion. Examples include 'The fabric is made of synthetic fibers.' and 'The doctor recommended adding more fiber to his diet.' 'Fiber' also extends into phrases like 'high-fiber,' relating to food, and 'fiber optics,' relating to technology.

How do native speakers use this expression?