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light pipe

American  

noun

Optics.
  1. an elongated transparent medium, such as an optical fiber, for transmitting light.


Etymology

Origin of light pipe

First recorded in 1945–50

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

An occasional box of good Egyptian cigarettes or a nice light pipe, or one or two khaki handkerchiefs or a toothbrush would be most acceptable.

From BBC • Apr. 22, 2015

They have succeeded with the aid of the laparoscope, a tube containing a "light pipe," less than half an inch in diameter.

From Time Magazine Archive

This familiar principle causes the rod to act as a "light pipe."

From Time Magazine Archive

Opposed to light pipe or, say, a short-range microwave link.

From The Jargon File, Version 4.2.2, 20 Aug 2000 by Steele, Guy L.

It is a real hardship indeed, and the sight is pitiful of the poilus who cannot light pipe or cigarette but put them away in their pockets and stroll in resignation.

From Under Fire: the story of a squad by Wray, Fitzwater

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