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.
Webster's New World
An electron tube with a cathode and anode.
A two-terminal semiconductor device used chiefly as a rectifier.
- rectifying tube
- rectifying valve
- junction rectifier
- semiconductor diode
- crystal rectifier
Other Word Forms of Diode
Origin of Diode
Learned formation, coined by William Eccles in 1919, after Greek δίοδος.
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