cathode
(noun) a negatively charged electrode that is the source of electrons entering an electrical device
cathode
(noun) the positively charged terminal of a voltaic cell or storage battery that supplies current
Source: WordNet® 3.1
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.
• anode
Source: Wiktionary
Cath"ode, n. Etym: [Gr. (Physics)
Definition: The part of a voltaic battery by which the electric current leaves substances through which it passes, or the surface at which the electric current passes out of the electrolyte; the negative pole; -- opposed to anode. Faraday. Cathode ray (Phys.), a kind of ray generated at the cathode in a vacuum tube, by the electrical discharge.
Source: Webster’s Unabridged Dictionary 1913 Edition
26 March 2025
(noun) bandage consisting of a firm covering (often made of plaster of Paris) that immobilizes broken bones while they heal
The world’s most expensive coffee costs more than US$700 per kilogram. Asian palm civet – a cat-like creature in Indonesia, eats fruits, including select coffee cherries. It excretes partially digested seeds that produce a smooth, less acidic brew of coffee called kopi luwak.