optical fiber

noun

: a single fiber-optic strand

Examples of optical fiber in a Sentence

Recent Examples on the Web

The means for carrying out optical connectivity include lasers, optical fibers, modulators, and various connectors, all working in conjunction to build an enhanced fiber-optic network structure. — Paxton Honerkamp, CNBC, 5 Aug. 2026

Several light-up Eiffel Towers commanded tables, along with elegant centerpieces, some monumental, topped with crystal spheres sporting sprays of illuminated optical fiber. — R. Daniel Foster, Forbes.com, 4 Aug. 2026

How a Power Line Became a Broadband Backbone While many towns in North America were connecting to optical fiber in the early 2000s, the subarctic communities were left out. — IEEE Spectrum, 30 July 2026

Normal mice were drawn to the scents—but not mice whose granule cells had been silenced by optical fibers that the researchers implanted in the animals’ brains to switch these cells on and off. — Tom Metcalfe, Scientific American, 29 July 2026

Word History

First Known Use

1962, in the meaning defined above

Rhymes for optical fiber

• cyber
• fibre
• prescriber
• subscriber
• transcriber

Kids Definition

optical fiber

noun

: a single fiber-optic strand

Medical Definition

optical fiber

noun

: a single fiber-optic strand