Definition from Wiktionary, the free dictionary
From Ancient Greek κάθοδος (kathodos, “descent, way down”).
- IPA: /ˈkæ.θoʊd/
cathode (plural cathodes)
- the electrode of an electrochemical cell at which reduction occurs
- the electrode through which current flows out of a device or cell (the negative terminal of an electrolytic cell or the positive terminal of a galvanic cell)
- (considered incorrect usage by some) the terminal through which current flows out of a diode when current is in the forward direction regardless of the direction the current is actually flowing
the electrode of an electrochemical cell at which reduction occurs
the electrode through which current flows out of a cell
the electron-emitting electrode of a vacuum tube
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.
Translations to be checked
cathode f (plural cathodes)