fiber optics

plural noun

Definition of fiber optics

1 : thin transparent fibers of glass or plastic that are enclosed by material of a lower refractive index and that transmit light throughout their length by internal reflections also : a bundle of such fibers used in an instrument (as for viewing body cavities)
2 singular in construction : the technique of the use of fiber optics

First Known Use of fiber optics

1956, in the meaning defined at sense 1

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Time Traveler for fiber optics

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The first known use of fiber optics was in 1956

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Dictionary Entries Near fiber optics

fiber-optic

fiber optics

fiber plant

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Cite this Entry

“Fiber optics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fiber%20optics. Accessed 20 Jan. 2022.

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More Definitions for fiber optics

fiber optics

noun

English Language Learners Definition of fiber optics

: the use of thin threads of glass or plastic to carry very large amounts of information in the form of light signals

fiber optics

noun plural
fiber op·​tics | \ -ˈäp-tiks \

Kids Definition of fiber optics

: thin transparent fibers of glass or plastic that transmit light throughout their length

fiber optics

noun plural
variants: or chiefly British fibre optics

Medical Definition of fiber optics

1 : thin transparent fibers of glass or plastic that are enclosed by material of a lower index of refraction and that transmit light throughout their length by internal reflections also : a bundle of such fibers used in an instrument (as an endoscope)
2 singular in construction : the technique of the use of fiber optics

Other Words from fiber optics

fiber-optic or chiefly British fibre-optic \ ˈfī-​bə-​ˌräp-​tik How to pronounce fiber optics (audio) \ adjective

More from Merriam-Webster on fiber optics

Britannica.com: Encyclopedia article about fiber optics

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