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}]