(countable) A single piece of a given material, elongated and roughly round in cross-section, often twisted with other fibres to form thread. / (uncountable) Material in the form of fibres.

plural of fibre

(especially in combination) Having (a specified form of) fibres.

Substances, generally of plant origin, consisting mostly of complex carbohydrates which are undigested when eaten by humans, and which therefore help the passage of food and waste through the alimentary tract.

Alternative spelling of fibre optic

Alternative spelling of fibre optics

Of, or relating to fibre optics, or to optical fibre.

(British spelling) The transmission of light through fine flexible glass or plastic fibres, especially as a medium for communications networks.

(British spelling) A thin, transparent, flexible fibre, made of glass or plastic, used for transmitting light.

(chiefly British spelling) Alternative spelling of carbon fiber