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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The buildout of the fiber-optic network from 1995 to 2000, which provided the backbone of the modern internet, saw IT investment climb from 3% of GDP to nearly 5% at its peak. Fortune, 2 June 2026 From a tactical standpoint, the fort is unlikely to deter Hezbollah’s new crop of attack drones, which rely on fiber-optic cables and are impervious to jamming. Nabih Bulos, Los Angeles Times, 1 June 2026 Hezbollah’s use of hard-to-detect fiber-optic drones has been deadly for the Israeli military, which is struggling to respond. Natalie Melzer, Chicago Tribune, 1 June 2026 All fiber-optic cables passing through the Strait of Hormuz should be subject to supervision permits and sovereign tolls, wrote the semi-official Iranian outlet, Khabar Online, on Saturday. Tim Lister, CNN Money, 31 May 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 3 Jun. 2026.

Kids Definition

fiber-optic

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