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.
Normal optical fibers consist of a single core, but the team’s new ones reportedly actually contain four. Christopher McFadden, Interesting Engineering, 13 June 2026 Corning, a producer of advanced glass and fiber-optic technology, will supply the optical fiber, cable and connectivity products to Amazon. Charlotte Observer, 8 June 2026 Also in the data center, Corning shares are up nearly 9% after striking a big optical fiber deal with Amazon. Jim Cramer, CNBC, 8 June 2026 Both are racing to the public markets before the window closes, before investors internalize that the value the optical fiber enables is not the same as the value of the optical fiber itself. Josipa Majic Predin, Forbes.com, 3 June 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

Browse Nearby Words

Cite this Entry

“Optical fiber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optical%20fiber. Accessed 23 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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