optical fiber

English Thesaurus

1. a very thin fiber made of glass that functions as a waveguide for light; used in bundles to transmit images (noun.artifact)

hypernym	:	fiber, fibre,
definition	:	a slender and greatly elongated substance capable of being spun into yarn (noun.substance)

part meronym	:	fiber optic cable, fibre optic cable,
definition	:	a cable made of optical fibers that can transmit large amounts of information at the speed of light (noun.artifact)

part meronym	:	fiberscope,
definition	:	a flexible medical instrument involving fiber optics that is used to examine internal organs (noun.artifact)