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cathode

资料来源 : pyDict

阴极

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Cathode \Cath"ode\, n. [Gr. ? descent; ? down + ? way.]
   (Physics)
   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

资料来源 : WordNet®

cathode
     n 1: a negatively charged electrode that is the source of
          electrons in an electrical device [ant: {anode}]
     2: the positively charged terminal of a voltaic cell or storage
        battery that supplies current [ant: {anode}]
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