cathode

suomi-englanti sanakirja

cathode englannista suomeksi

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 can have either a negative or a positive voltage with respect to anode of the same polarized device (depending on whether the device is a load or a source, respectively).
(''chemistry'') 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 (w) or (w).
That electrode of a semiconductor device which is connected to the n-type material of a junction.
(l)