noun🔗ShareAn 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."Electrons flowed into the cathode of the battery as it charged. "electronicsphysicstechnologydeviceelectricmachinescienceChat with AIVocabulary GamePractice Reading
noun🔗Share(by extension) The electrode at which chemical reduction of cations takes place, usually resulting in the deposition of metal onto the electrode."During electrolysis, copper ions in the solution move to the cathode, where they gain electrons and form a solid copper coating. "chemistryelectronicsphysicsmaterialscienceelementChat with AIVocabulary GamePractice Reading
noun🔗ShareThe electrode from which electrons are emitted into a vacuum tube or gas-filled tube."In older televisions, the cathode inside the picture tube shot electrons onto the screen to create the picture. "electronicsdevicetechnicalphysicsmachineenergyscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareThat electrode of a semiconductor device which is connected to the n-type material of a p-n junction."In the LED circuit we built in class, the cathode, connected to the n-type semiconductor, was marked with a shorter lead. "electronicsdevicetechnologymaterialphysicsscienceChat with AIVocabulary GamePractice Reading
