optical fiber

noun

: a single fiber-optic strand

Examples of optical fiber in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Researchers have seen benefits in animal models of PD last for weeks after treatment, and early human trials are under way, using optical fibers that put the light close to the diseased cells. Lynne Peeples, Scientific American, 26 Mar. 2026 With this finding, Hockham and Kao started a global race to make optical fiber that exceeded this level of transparency. John Ballato, The Conversation, 24 Mar. 2026 Still, Lenderman points out that 2021's Build America Buy America Act has been pushing companies to manufacture at least some networking gear, particularly optical fiber, in the US. Michael Kan, PC Magazine, 24 Mar. 2026 Those numbers indicate very efficient light transfer into standard 50-micrometer multimode optical fibers. Aamir Khollam, Interesting Engineering, 11 Mar. 2026 See All Example Sentences for optical fiber

Word History

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of optical fiber was in 1962

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Cite this Entry

“Optical fiber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optical%20fiber. Accessed 3 Apr. 2026.

Kids Definition

optical fiber

noun
: a single fiber-optic strand

Medical Definition

optical fiber

noun
: a single fiber-optic strand
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