fiber optics

NOUN

light transmitted through fibers

Synonyms

STRONGEST

optical fiber

WEAK

catoptrics dioptrics fibre optics glass fiber

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In the latest study, scientists used optogenetics, a technique that uses fiber optics and light to activate specific brain cells.

From Science Daily • May 15, 2026

Corning has seen surging profit as the rapid data-center build out has accelerated demand for its fiber optics, which are used in AI data centers to transfer data quickly and at scale.

From The Wall Street Journal • May 6, 2026

“If you look at the amount of fiber optics strands that some of these data centers will need, it makes sense that they work with Corning,” he said.

From MarketWatch • May 6, 2026

That reflects higher capital expenditures: The company has been accelerating its spending on fiber optics, which deliver high-speed internet hookups to U.S. households.

From Barron's • Apr. 23, 2026

Ashima had never heard of Boston, or of fiber optics.

From "The Namesake" by Jhumpa Lahiri