cathode

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English[edit]

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Etymology[edit]

From Ancient Greek κάθοδος (kathodos, “descent, way down”).

Pronunciation[edit]

  • IPA: /ˈkæ.θoʊd/

Noun[edit]

cathode (plural cathodes)

  1. the electrode of an electrochemical cell at which reduction occurs
  2. 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)
  3. (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

Translations[edit]

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
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Antonyms[edit]

Derived terms[edit]

French[edit]

Noun[edit]

cathode f (plural cathodes)

  1. cathode
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