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.
Clark said fiber-optic companies note the county’s population density and need for such infrastructure. Joseph States, Chicago Tribune, 28 Apr. 2026 The increasing use of fiber-optic cables instead of copper wiring inside data centers is a big win for Corning, Cramer said. Alexa Lomonaco, CNBC, 24 Apr. 2026 Well, many people listening to us or watching us will remember the dot-com bust, which followed a huge wave of investment in the 1990s in all kinds of infrastructure of the internet, especially fiber-optic cable. David Frum, The Atlantic, 22 Apr. 2026 But the South China Morning Post has speculated that the tool could pose a threat to the fiber-optic cables linking to Pacific islands such as Guam, the US overseas territory that hosts several military bases. Jonathan M. Gitlin, ArsTechnica, 16 Apr. 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

Browse Nearby Words

Cite this Entry

“Fiber-optic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fiber-optic. Accessed 29 Apr. 2026.

Kids Definition

fiber-optic

adjective
fi·​ber-op·​tic
ˈfī-bər-ˌäp-tik
: of or relating to fiber optics
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster