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.
How a Power Line Became a Broadband Backbone While many towns in North America were connecting to optical fiber in the early 2000s, the subarctic communities were left out. IEEE Spectrum, 30 July 2026 Normal mice were drawn to the scents—but not mice whose granule cells had been silenced by optical fibers that the researchers implanted in the animals’ brains to switch these cells on and off. Tom Metcalfe, Scientific American, 29 July 2026 Undersea infrastructure like optical fiber internet cables, pipelines, sensor arrays are vulnerable to covert UUV operations. Aditya Jadhav, Interesting Engineering, 24 July 2026 JPMorgan analysts highlighted the optical fiber component in a June 12 report about China’s AI edge in legacy chips and data center connectivity parts. Evelyn Cheng, CNBC, 28 June 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 Aug. 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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