Dictionary Home »
Dictionary Definitions » diode
diode
The definition of a diode is an electronic device with two transmitting terminals that allows electric current to flow in one direction while blocking current in the opposite direction.
(noun)An example of a diode is a light-emitting diode, an LED.
YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
See diode in Webster's New World College Dictionary
noun
an electronic device with two electrodes, as either an electron tube with an anode and a cathode or a transistor with a pn junction, used mainly as a rectifier since it conducts current in only one direction
Origin: di- + -ode
See diode in American Heritage Dictionary 4
noun
- An electronic device that restricts current flow chiefly to one direction.
- An electron tube having a cathode and an anode.
- A two-terminal semiconductor device used chiefly as a rectifier.
(click for a larger image)
diode
thermionic diode
Learn more about diode
