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 There’s an acoustic waveguide on the bottom which ensures the sound is pushed out into space properly, essentially to deliver a 360-degree experience. Jacob Krol, CNN Underscored, "The $99 HomePod Mini is the smart speaker for Apple users looking for value," 12 Nov. 2020 The HomePod mini also features an acoustic waveguide, just like the full-size HomePod, which helps to direct the flow of sound toward the bottom of the device and outward to create 360-degree sound. Courtney Linder, Popular Mechanics, "Should You Buy the New iPhone 12?," 13 Oct. 2020 Each lens, known as a diffractive waveguide, is etched with tiny grooves that redirect light across the surface before being steered into a wearer’s eye. Fortune, "Magic Leap tried to create an alternate reality. Its founder was already in one," 26 Sep. 2020 This waveguide enables sound waves to coast across entire ocean basins, says Bruce Cornuelle, a Scripps oceanographer who worked with Munk. Paul Voosen, Science | AAAS, "Ocean’s hidden heat measured with earthquake sounds," 17 Sep. 2020 To do that, Pan and colleagues used another laser pulse and a device called a waveguide to stretch the photons’ wavelength 60% to the sweet spot for transmission down a standard optical fiber. Adrian Cho, Science | AAAS, "Quantum internet closer as physicists stretch spooky link between atoms," 13 Feb. 2020 The 20 photons simultaneously entered a set of waveguides, where they were repeatedly mixed with each other, creating 60 output beams. Chris Lee, Ars Technica, "Why I dislike what “quantum supremacy” is doing to computing research," 23 Dec. 2019 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 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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/waveguide. Accessed 23 Jan. 2021.

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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

Britannica.com: Encyclopedia article about waveguide

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