electrode

1. A conductor used to make electrical contact with some part of a circuit (synset 103279707)
   is a type of: conductor - a device designed to transmit electricity, heat, etc.
   subtypes:

   • anode - a positively charged electrode by which electrons leave an electrical device
   • base - (electronics) the part of a transistor that separates the emitter from the collector
   • cathode - a negatively charged electrode that is the source of electrons entering an electrical device
   • collector - the electrode in a transistor through which a primary flow of carriers leaves the region between the electrodes
   • electron gun - the electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it
   • emitter - the electrode in a transistor where electrons originate
   • control grid, grid - an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
   is a part of:

   • battery, electric battery - a device that produces electricity; may have several primary or secondary cells arranged in parallel or series
   • electrolytic cell - a cell containing an electrolyte in which an applied voltage causes a reaction to occur that would not occur otherwise (such as the breakdown of water into hydrogen and oxygen)
   • electronic equipment - equipment that involves the controlled conduction of electrons (especially in a gas or vacuum or semiconductor)
   • electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube - electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope

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