[{"word":"cathode","phonetic":"/ˈkæθ.oʊd/","phonetics":[{"text":"/ˈkæθ.oʊd/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"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.","synonyms":[],"antonyms":[]},{"definition":"(by extension) The electrode at which chemical reduction of cations takes place, usually resulting in the deposition of metal onto the electrode.","synonyms":[],"antonyms":[]},{"definition":"The electrode from which electrons are emitted into a vacuum tube or gas-filled tube.","synonyms":[],"antonyms":[]},{"definition":"That electrode of a semiconductor device which is connected to the n-type material of a p-n junction.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/cathode"]}]