Cathode
WordNet

noun


(1)   A negatively charged electrode that is the source of electrons entering an electrical device
(2)   The positively charged terminal of a voltaic cell or storage battery that supplies current
WiktionaryText

Noun



  1. the electrode of an electrochemical cell at which reduction occurs
  2. the negative terminal of an electrolytic cell
  3. the positive terminal of a galvanic cell
  4. the electron-emitting electrode of an electron tube
 
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