fibre (redirected from fibra)

fibre (US), fiber

1. a natural or synthetic filament that may be spun into yarn, such as cotton or nylon

2. cloth or other material made from such yarn

3. Botany

a. a narrow elongated thick-walled cell: a constituent of sclerenchyma tissue

b. such tissue extracted from flax, hemp, etc., used to make linen, rope, etc.

c. a very small root or twig

4. Anatomy any thread-shaped structure, such as a nerve fibre

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fiberboard

A building material, usually composed of wood fiber or cane or other vegetable fiber, compressed with a binder into sheet form; the physical characteristics depend on the fiber, binder, density, and surface finish. Also see hardboard, medium-density fiberboard, board insulation.