Associations to the word «Cathode»
CATHODE, noun. (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.
CATHODE, noun. (chemistry) (by extension) The electrode at which chemical reduction of cations takes place, usually resulting in the deposition of metal onto the electrode.
CATHODE, noun. (electronics) The electrode from which electrons are emitted into a vacuum tube or gas-filled tube.
CATHODE, noun. (electronics) That electrode of a semiconductor device which is connected to the n-type material of a p-n junction.
CATHODE DARK SPACE, noun. The dark space in a glow discharge between the cathode glow and the negative glow.
CATHODE DARK SPACES, noun. Plural of cathode dark space
CATHODE RAY, noun. (electricity) A ray consisting of a stream of electrons in a vacuum tube, that are emitted by the cathode and accelerated towards the anode by an electric field.
CATHODE RAY TUBE, noun. (electronics) A vacuum tube that displays still or moving images (such as for a television), by controlling the direction of a cathode ray emitted towards the front of the tube. The front is coated by a layer of fluorescent material, so that it emits light when struck by the beam.
CATHODE, noun. A negatively charged electrode that is the source of electrons entering an electrical device.
CATHODE, noun. The positively charged terminal of a voltaic cell or storage battery that supplies current.
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