diode

IPA: dˈaɪoʊd

(electronics) An electronic device that allows current to flow in one direction only; used chiefly as a rectifier.

Examples of "diode" in Sentences

A diode is a junction of two types of semiconductor, which only allow electrons to flow in one direction.
It looks like something out of "Star Wars," but it's not sci-fi, it's high tech and it's called a diode laser.
Otellini compared the Obama administration to a "diode" -- an electronic device that conducts electric current in only one direction.
The author of the above hypothesis wrote his degree paper on silicon carbide light-emitting diode, that is why the ending of the forth series is the most simple- it is a modern light-emitting diode.
The evil geniuses* at Wicked Lasers have weaponized a laser for the consumer market by simply (?) rejiggering an unreasonably-powerful blue laser diode from a home theater projector and placing it in a lightsaber casing.