| Word | Definitions | Synonyms |
|---|---|---|
| waveguide | (noun) a hollow metal conductor that provides a path to guide microwaves; used in radar | Synonyms: wave guide |
| wayside | (noun) edge of a way or road or path | Synonyms: roadside |
| zenerdiode | (noun) a semiconductor diode that exhibits a sharp increase in reverse current at a well-defined reverse voltage: used as a voltage regulator | Synonyms: stabilitron |