wave-guide

waveguide

[weyv-gahyd]
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.
Compare optical fiber.


Origin:
1930–35; wave + guide

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World English Dictionary
waveguide (ˈweɪvˌɡaɪd)
 
n
electronics a solid rod of dielectric or a hollow metal tube, usually of rectangular cross section, used as a path to guide microwaves

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