Daily Almanac for
Nov 30, 2009
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op'tical fi'ber




a very thin, flexible glass or plastic strand along which large quantities of information can be transmitted in the form of light pulses: used in telecommunications, medicine, and other fields. Also called light guide. Cf. fiber optics, waveguide.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

optical effectsoptical glass
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