optical fiber

noun

: a single fiber-optic strand

Examples of optical fiber 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 January, Meta announced a multi-year supply agreement worth as much as $6 billion with Corning to secure optical fiber, cables, and connectivity products for AI data centers. CNBC, 19 May 2026 Today, a single optical fiber in modern submarine cables can carry data equivalent to roughly 150 million simultaneous phone calls at the speed of light, according to the International Cable Protection Committee. Mostafa Salem, CNN Money, 17 May 2026 Securing critical sea-bed infrastructure The UUVs are increasing being employed to monitor the health and security of critical sea-bed infrastructure this includes oil and gas pipelines as well as optical fiber internet cables. Prabhat Ranjan Mishra, Interesting Engineering, 14 May 2026 The plan is to use Leo for on-site internet access since the events are often based in rural and remote areas without access to optical fiber. Michael Kan, PC Magazine, 20 Apr. 2026 See All Example Sentences for optical fiber

Word History

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of optical fiber was in 1962

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Cite this Entry

“Optical fiber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optical%20fiber. Accessed 4 Jun. 2026.

Kids Definition

optical fiber

noun
: a single fiber-optic strand

Medical Definition

optical fiber

noun
: a single fiber-optic strand
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