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.
The researchers developed their fiber-optic system to detect acoustic emissions, or small vibrations produced when materials undergo changes such as cracking. — Neetika Walter, Interesting Engineering, 16 Oct. 2026 Some schools in Southeast Michigan are closed on Tuesday due to damage to a fiber-optic cable along M-24. — Paula Wethington, CBS News, 13 Oct. 2026 Helix, launched in June, focuses on infrastructure needed to support growing AI demand, including hyperscale data centers, power generation, transmission and distribution infrastructure and fiber-optic networks. — Jenny Lee, CNBC, 29 Sep. 2026 At a road embankment in Utqiaġvik, our team used fiber-optic cables to collect temperature and seismic data. — Ming Xiao, The Conversation, 29 Sep. 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

Rhymes for fiber-optic

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Browse Nearby Words

fiber of Sharpey
fiber-optic
fiber optics
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Cite this Entry

“Fiber-optic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fiber-optic. Accessed 20 Oct. 2026.

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Kids Definition

fiber-optic

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