Why was "tantrum" trending last week?

optical fiber

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.
Origin of optical fiber
1960-65 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for optical fiber
  • optical fiber-based moisture sensors have been developed to help detect moisture problems in building envelopes.
  • The sensors are created with a coating on a long period grating that is written onto optical fiber.
optical fiber in Science
optical fiber  
A flexible transparent fiber of extremely pure glass or plastic, generally between 10 and 200 micrometers in diameter, used especially to carry light signals for telecommunication purposes. See more at fiber optics.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
optical fiber in Technology
The Free On-line Dictionary of Computing, © Denis Howe 2010
Cite This Source

Word of the Day

Difficulty index for optical fiber

Few English speakers likely know this word

Word Value for optical

Scrabble Words With Friends