waveguide

[weyv-gahyd] /ˈweɪvˌgaɪd/
noun, Electronics, Optics.
1.
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
Examples from the web for waveguide
  • The energy is then tapped and sent down a waveguide that is known as a coaxial cable to your television.
  • For light, the entangled photons can travel through a waveguide such as optical fiber and remain in superposition during transit.
  • The elimination of polarization dependence of optical wavelength filters by using waveguide directional couplers.
  • The transmission line is terminated with a waveguide embedded in the medium of interest, in our case the stream channel.
British Dictionary definitions for waveguide

waveguide

/ˈweɪvˌɡaɪd/
noun
1.
(electronics) a solid rod of dielectric or a hollow metal tube, usually of rectangular cross section, used as a path to guide microwaves