| n. | 1. | (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.
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| Noun | 1. | cathode - a negatively charged electrode that is the source of electrons in an electrical device Antonyms: anode - a positively charged electrode by which electrons leave an electrical device |
| 2. | cathode - the positively charged terminal of a voltaic cell or storage battery that supplies current Antonyms: anode - the negatively charged terminal of a voltaic cell or storage battery that supplies current |
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