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

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

In the dot-com era, it was fiber optics, storage and servers.

From MarketWatch • Apr. 15, 2026

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

From "The Namesake" by Jhumpa Lahiri