cathode

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a negatively charged electrode that is the source of electrons entering an electrical device (Freq. 8)
• Ant:
anode
• Hypernyms:
electrode
• Hyponyms:
cold cathode, photocathode
• Part Holonyms:
electrolytic cell, tube, vacuum tube, thermionic vacuum tube, thermionic tube,
electron tube, thermionic valve
2. the positively charged terminal of a voltaic cell or storage battery that supplies current
• Ant:
anode
• Hypernyms:
terminal, terminus, depot
• Part Holonyms:
storage battery, accumulator, voltaic cell, galvanic cell, primary cell