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light pipe

noun, Optics.
1.
an elongated transparent medium, such as an optical fiber, for transmitting light.
Origin of light pipe
1945-1950
1945-50
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for light pipe
Historical Examples
light pipe in Technology
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Difficulty index for light pipe

Few English speakers likely know this word

Word Value for light

9
10
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