fiber-optic

adjective

fi·​ber-op·​tic ˈfī-bər-ˌäp-tik How to pronounce fiber-optic (audio)
: of, relating to, or using fiber optics

Examples of fiber-optic 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.
In four years, the investment is expected to add 31,000 miles of fiber-optic lines across the state. CBS News, 10 Dec. 2025 Xfinity offers the most widespread coverage, while Verizon Fios provides a fast fiber-optic network in many neighborhoods. Roxanne Downer, USA Today, 10 Dec. 2025 According to the report, the starry-eyed CEO wants to build factories to produce fiber-optic cable, data center equipment, and other critical components for AI infrastructure, funded by Japan. Jeff Marks, CNBC, 5 Dec. 2025 Critics have raised concerns that the location directly above fiber-optic networks that support London’s financial infrastructure could give Beijing access to sensitive communications traffic. Brendan Cole, MSNBC Newsweek, 4 Dec. 2025 See All Example Sentences for fiber-optic

Word History

First Known Use

1961, in the meaning defined above

Time Traveler
The first known use of fiber-optic was in 1961

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Cite this Entry

“Fiber-optic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fiber-optic. Accessed 13 Dec. 2025.

Kids Definition

fiber-optic

adjective
fi·​ber-op·​tic
ˈfī-bər-ˌäp-tik
: of or relating to fiber optics
Last Updated: - Updated example sentences
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