#optical_fiber__opticalfiber__glass_fiber__glassfiber__optical_fibre__opticalfibre__glass_fibre__glassfibre  a very thin fiber made of glass that functions as a waveguide for light; used in bundles to transmit images
  supertype:  #fiber__fibre  a slender and greatly elongated solid substance
  part of:  #fiber_optic_cable__fiberopticcable__fibre_optic_cable__fibreopticcable  a cable made of optical fibers that can transmit large amounts of information at the speed of light
     part of:  #fiber-optic_transmission_system__fibre-optic_transmission_system__FOTS  a communication system using fiber optic cables
  part of:  #fiberscope  a flexible medical instrument involving fiber optics that is used to examine internal organs

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