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Word

fibre

noun C1
/ˈfaɪ.bə(ɹ)/

Meanings

noun

the part of plant foods that is made of tough material and is not fully broken down by the body

fibre: the part of plant foods that is made of tough material and is not fully broken down by the body
noun

a long, thin strand that makes up materials such as cloth, rope, or paper

fibre: a long, thin strand that makes up materials such as cloth, rope, or paper
noun

a high-speed internet connection that uses optical cables made of very thin strands of glass

fibre: a high-speed internet connection that uses optical cables made of very thin strands of glass

Definition

Fibre is a substance in plants and some materials made of long, thin strands.

Fibre most commonly refers to the parts of plant foods that your body cannot fully break down, such as the tough material in vegetables, fruit, and whole grains. It can also mean a long, thin strand that makes up materials like cloth, rope, or paper. In British English, it is the usual spelling for what American English often writes as “fiber.”

Examples

  • I try to include more fibre at breakfast by choosing oats and fruit instead of pastries.
  • You’ll notice the difference in your energy levels if you regularly eat meals rich in fibre.
  • She checked the ingredients carefully to find cereal with higher fibre and less added sugar.
  • They chose a durable jacket because the fibre in the fabric resists wear and keeps its shape.
  • Our building finally got fibre, and the connection became stable even when everyone was online.

Common mistake

Learners often confuse fibre (UK spelling) with fiber (US spelling) and mix them inconsistently in the same text.