cathode
Pronunciation
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Pronunciation
- IPA: /ˈkæθ.oʊd/
cathode (plural cathodes)
- (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.
- (chemistry, by extension) The electrode at which chemical reduction of cations takes place, usually resulting in the deposition of metal onto the electrode.
- (electronics) The electrode from which electrons are emitted into a vacuum tube or gas-filled tube.
- (electronics) That electrode of a semiconductor device which is connected to the n-type material of a p-n junction.
- French: cathode
- German: Kathode, Minuspol
- Italian: catodo
- Portuguese: cátodo, catodo (Brazil), catódio
- Russian: като́д
- Spanish: cátodo
This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.005