1. A very thin fibre made of glass that functions as a waveguide for light; used in bundles to transmit images
   - optical fiber [US], glass fiber [US], optical fibre [Brit, Cdn]

Type of: fiber [US], fibre [Brit, Cdn]

Part of: fiber optic cable [US], fiberscope [US], fibre optic cable [Brit, Cdn], fibrescope [Brit, Cdn]

Encyclopedia: Glass fibre

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