Anode meaning

ănōd
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A positively charged electrode, as of an electrolytic cell, storage battery, or electron tube.
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In an electroplating cell, the positively charged electrode, toward which current flows.
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In an electron tube, the principal electrode for collecting electrons, operated at a positive potential with respect to the cathode.
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In a battery that is a source of electric current, as a dry cell or storage battery, the negative electrode from which the electrons are released to the external circuit.
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The positive electrode in an electrolytic cell, toward which negatively charged particles are attracted. The anode has a positive charge because it is connected to the positively charged end of an external power supply.
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The positively charged element of an electrical device, such as a vacuum tube or a diode, to which electrons are attracted.
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The negative electrode of a voltaic cell, such as a battery. The anode gets its negative charge from the chemical reaction that happens inside the battery, not from an external source.
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The terminal on a device that receives current. It may be considered positive or negative depending on the application. See cathode.
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(electricity) An electrode, of a cell or other electrically polarized device, through which a current of electricity flows outwards (thus, electrons flow inwards). It usually, but not always, has a positive voltage.
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(chemistry, by extension) The electrode at which chemical oxidation of anions takes place, usually resulting in the erosion of metal from the electrode.
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(electronics) The electrode which collects electrons emitted by the cathode in a vacuum tube or gas-filled tube.
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(electronics) That electrode of a semiconductor device which is connected to the p-type material of a p-n junction.
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The negatively charged terminal of a primary cell or of a storage battery that is supplying current.
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Origin of anode

  • Greek anodos a way up ana- ana- hodos way

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek ἄνοδος (anodos, “way up”).

    From Wiktionary