C1noun3K

Fibre

UK /["/ˈfaɪbə(r)/"]/US /["/ˈfaɪbər/"]/

Definition

the part of food that helps to keep a person healthy by keeping the bowels working and moving other food quickly through the body

In simple words: A type of material found in food that helps digestion.

Examples

  • Dietary fibre is important for maintaining healthy digestion.
  • Foods rich in fibre can help lower cholesterol levels.
  • The textile industry uses natural fibre like cotton and wool to make fabrics.
  • Carbon fibre is a strong and lightweight material used in aerospace engineering.
  • Muscle fibre can respond differently depending on exercise type and intensity.
  • He studied the nerve fibres under a microscope to understand their structure.
  • The fibre optic cables transmit data at very high speeds.

Usage notes

Used commonly when discussing nutrition and health. Suitable for both spoken and written contexts, but may not be well-known in casual conversation.

Grammar pattern

fibre + of + food item

Memory hint

Think of 'fibre' as the 'fiber-optic' lines — they help things move smoothly, just like fibre helps digestion.

Collocations

  • dietary
  • vegetable
  • be high in
  • be rich in
  • content
  • intake
  • supplement
  • an intake of fibre
  • a source of fibre
  • coarse
  • hollow
  • strong
  • be made from
  • be made of
  • optics
  • coarse
  • hollow
  • strong
  • be made from
  • be made of
  • optics

Synonyms

  • roughage
  • bulk
  • cellulose
  • dietary fibre
  • plant fiber

Antonyms

  • starch
  • sugar

Common mistakes

  • Confused with 'fiber' (American English spelling).
  • Using 'fibre' when referring to non-food contexts incorrectly.
  • Not using articles correctly (e.g. saying 'fibre helps digestion' instead of 'the fibre in food helps digestion').