- 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 of waveguide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- electronics a solid rod of dielectric or a hollow metal tube, usually of rectangular cross section, used as a path to guide microwaves