light pipe

noun

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

Example Sentences

Recent Examples on the Web There is a light pipe on the front of the case so that the LED charge indicator is fully visible. —Brad Moon, Forbes, 18 Feb. 2023

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'light pipe.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1939, in the meaning defined above

Time Traveler
The first known use of light pipe was in 1939

Dictionary Entries Near light pipe

light pillar

light pipe

lightplane

See More Nearby Entries 

Cite this Entry

“Light pipe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20pipe. Accessed 29 Mar. 2023.

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Britannica.com: Encyclopedia article about light pipe

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