Also means
nerve
Usage Note
Fibra covers dietary fibre (fibra dietética), textile fibres (fibra de algodón), optical fibre (fibra óptica), and figuratively one's inner strength or 'nerve' (tener fibra = to have guts). The phrase fibra óptica is the standard term for fibre-optic broadband in Spain and Latin America.
Examples
"Esta dieta es rica en fibra vegetal."
Natural Translation
This diet is rich in plant fibre.

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