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.

Corning GLW 1.92%increase; green up pointing triangle , the 175-year-old American company that made the glass screen on your phone as well as the fiber optics delivering the internet to it, is on a tear.

From The Wall Street Journal • Jun. 12, 2026

Connectivity has become the latest frontier amid the AI infrastructure buildout and fiber optics are replacing copper for long-distance and rack-to-rack interconnects in AI data centers.

From The Wall Street Journal • Jun. 2, 2026

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

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

Already the work area was a mess of tangled wires and pulsating fiber optics.

From "Artemis Fowl" by Eoin Colfer