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waveguide

American

[weyv-gahyd] / ˈweɪvˌgaɪd /

noun

Electronics, Optics.

a conduit, as a metal tube, coaxial cable, or strand of glass fibers, used as a conductor or directional transmitter for various kinds of electromagnetic waves.

waveguide British

/ ˈweɪvˌɡaɪd /

noun

electronics a solid rod of dielectric or a hollow metal tube, usually of rectangular cross section, used as a path to guide microwaves

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of waveguide

First recorded in 1930–35; wave + guide

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.

See Examples For:

waveguide

The system places a nonlinear waveguide between two optical filters, each of which transmits a different portion of the light spectrum.

From Science Daily ● Jun. 4, 2026

For example, the current device modulates every waveguide in the same manner, so they are working to achieve independent control on each waveguide.

From Science Daily ● Mar. 4, 2024

Oppo’s waveguide projects any LED color you want, as long as it’s green.

From The Verge ● Jul. 11, 2022

The glasses’ lens-over-lens design looks uniquely silly, especially because the frame and the waveguide are completely different shapes despite Oppo designing them to work together.

From The Verge ● Jul. 11, 2022

An acoustic waveguide in the atmosphere, Ewing reasoned, would allow the U.S.

From Science Magazine ● Apr. 26, 2022

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023