light pipe

noun

Definition of light pipe

: an optical fiber or a solid transparent plastic rod for transmitting light lengthwise

First Known Use of light pipe

1950, in the meaning defined above

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The first known use of light pipe was in 1950

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Cite this Entry

“Light pipe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20pipe. Accessed 21 Oct. 2020.

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Britannica.com: Encyclopedia article about light pipe

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