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What is the noun for cathode?

What's the noun for cathode? Here's the word you're looking for.

cathode
  1. (electricity) An electrode, of a cell or other electrically polarized device, through which a positive current of electricity flows outwards (and thus, electrons flow inwards). It usually, but not always, has a positive voltage.
  2. (chemistry) The electrode at which chemical reduction of cations takes place, usually resulting in the deposition of metal onto the electrode.
  3. (electronics) The electrode from which electrons are emitted into a vacuum tube or gas-filled tube.
  4. (electronics) That electrode of a semiconductor device which is connected to the n-type material of a p-n junction.
  5. Synonyms:
  6. Examples:
    1. “A cathode emits a stream of electrons that collides with neutral atoms of xenon, a gaseous element, in a chamber.”
      “Current can only flow from the anode to the cathode, but not the other direction.”
      “That is more rarefied than the near vacuum in a television cathode ray tube.”
catholyte
  1. The portion of an electrolyte near a cathode, especially in a cell in which the cathode and anode are in separate compartments
  2. Examples:
    1. “The test rig must be capable of routing to catholyte solution to either the second electrochemical cell or the column.”
catholytes
  1. plural of catholyte
cathodes
  1. plural of cathode
  2. Synonyms:
  3. Examples:
    1. “Gaseous hydrogen and oxygen flow separately around either side of two electrolytic plates serving as anodes and cathodes.”
      “It produces copper concentrates by means of floating sulphurated mineral, and copper cathodes using a lixiviation process of oxidised mineral.”
      “Also at Cathodeon he was working on hot cathodes in lamps used in analytical instrumentation.”
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