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An example use of cathode in a speech by a native speaker of british english:
“… 2006 this is a cathode ray tube out of …”
meanings of cathode
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.
The electrode at which chemical reduction of cations takes place, usually resulting in the deposition of metal onto the electrode.
The electrode from which electrons are emitted into a vacuum tube or gas-filled tube.
That electrode of a semiconductor device which is connected to the n-type material of a p-n junction.