Found 2 items, similar to optical fiber.
English → English (WordNet) Definition: optical fiber optical fiber n : a very thin fiber made of glass that functions as a waveguide for light; used in bundles to transmit images [syn: glass fiber, optical fibre, glass fibre]
English → English (gcide) Definition: optical fiber optical fiber \optical fiber\ n. (Communications) A thin fiber of very pure glass used to carry signals transmitted by means of light. It has much greater information-carrying capacity than a copper wire, and in the 1990's became a dominant means of transmitting telephone communications over long distances. [PJC]