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cathode

/ˈkæθ.əʊd/

1 entry

noun

C1formalcommonscientific/ˈkæθ.əʊd/

A noun referring to an electrode through which electric current flows out of a polarized electrical device; in a device that consumes electricity, it is the negative terminal, while in a device that produces electricity, it is the positive terminal.

  • 🇷🇺Существительное, обозначающее электрод, через который электрический ток вытекает из поляризованного электрического устройства; в устройстве, потребляющем электроэнергию, это отрицательный вывод, а в устройстве, вырабатывающем электроэнергию, — положительный вывод.
  1. Electrode in an electrical device C1 formal scientific

    A negatively charged electrode that is the source of electrons entering an electrical device.

    • In a vacuum tube, the cathode emits electrons when heated.
    • The cathode in a cathode ray tube directs electrons toward the screen.
    • Electrons flow from the cathode to the anode in a diode.

    🇷🇺Катод

    Antonyms: anode

  2. Terminal in a battery C1 formal scientific

    The positively charged terminal of a voltaic cell or storage battery that supplies current.

    • In a battery, the cathode is the positive terminal during discharge.
    • The cathode of a lithium-ion battery is made of lithium cobalt oxide.
    • During charging, the cathode becomes the negative electrode.

    🇷🇺Катод

    Synonyms: positive pole

    Antonyms: anode

  • cathodes plural form
  • cathodes' possessive plural form
  • cathode's possessive singular form