wave·​guide | \ ˈwāv-ˌgīd How to pronounce waveguide (audio) \

Definition of waveguide

: a device (such as a duct, coaxial cable, or glass fiber) designed to confine and direct the propagation of electromagnetic waves (such as light) especially : a metal tube for channeling ultrahigh-frequency waves

Examples of waveguide in a Sentence

Recent Examples on the Web At least in the case of the chain cat shark, the dark denticles serve as optical waveguides, channeling the fluorescence signal along their body length. Jennifer Ouellette, Ars Technica, "We now know what causes these two shark species to glow green," 8 Aug. 2019 Each waveguide has a small heating element attached that allows the researchers to control the exact distance the photons travel between and in each interferometer. Chris Lee, Ars Technica, "Engineering tour de force births programmable optical quantum computer," 5 Sep. 2018 These waveguides are constructed from a material that, when excited appropriately, can emit light. Chris Lee, Ars Technica, "Many rings, not one, create a laser to confound us all," 2 Feb. 2018 Vuzix’s setup uses a more-or-less traditional microdisplay, then mates that up to a flat piece of glass called an optical waveguide. Noah Shachtman, WIRED, "Darpa’s Hologram Goggles Will Unleash Drone Hell," 11 Apr. 2011

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'waveguide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of waveguide

1932, in the meaning defined above

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Time Traveler for waveguide

Time Traveler

The first known use of waveguide was in 1932

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Cite this Entry

“Waveguide.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/waveguide. Accessed 11 December 2019.

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More Definitions for waveguide


wave·​guide | \ ˈwāv-ˌgīd How to pronounce waveguide (audio) \

Medical Definition of waveguide

: a device (as a glass fiber) designed to confine and direct the propagation of electromagnetic waves (as light) use of waveguides for visual examination of the stomach

More from Merriam-Webster on waveguide

Rhyming Dictionary: Words that rhyme with waveguide

Britannica.com: Encyclopedia article about waveguide

Comments on waveguide

What made you want to look up waveguide? Please tell us where you read or heard it (including the quote, if possible).


heavy with or as if with moisture

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