Waveguide is a term used in the field of electrical engineering and telecommunications to refer to a type of path used for transmitting signals. There are a variety of synonyms for this term, each of which highlights different aspects of this type of technology. Some common synonyms for waveguide include transmission line, conduit, channel, pipe, and duct. These terms describe the physical properties of a waveguide and emphasize the way that it carries a signal from one point to another. Regardless of the specific language used, waveguides are an essential component of many modern technologies, including satellite communications, radar systems, and microwave ovens.