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
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Two recent studies suggest that fiber-optic cables laid directly on the lunar ground could double as sensitive detectors for moonquakes, offering a lightweight, low-cost alternative to traditional seismometers. Samantha Mathewson, Space.com, 24 Mar. 2026 Indeed, Russia was the first of the two countries to fly fiber-optic drones, which are immune to electronic interference. Olivier Kempf, Harpers Magazine, 24 Mar. 2026 The film moves between a fiber-optic cable-laying vessel and a remote Alaskan community where hopes for the benefits promised by the arrival of an internet connection exist alongside fears of the ill-effects of the online world. Leo Barraclough, Variety, 21 Mar. 2026 Unlike railroad tracks and fiber-optic cables, which can last for decades, computer chips, which power data centers, quickly become obsolete. Lila Shroff, The Atlantic, 12 Mar. 2026 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 29 Mar. 2026.

Kids Definition

fiber-optic

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