| Pronunciation: | | 'kathowd
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| Matching Terms: | | cathode ray, cathode ray tube, cathode rays, cathode-ray oscilloscope, cathode-ray tube, cathodic, cathodic protection, cathodograph
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 WordNet Dictionary |
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| | Definition: | |
- [n] a negatively charged electrode that is the source of electrons in an electrical device
- [n] the positively charged terminal of a voltaic cell or storage battery that supplies current
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| | Antonyms: | | anode |
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| | See Also: | | accumulator, depot, electrode, electrolytic cell, electron tube, galvanic cell, photocathode, primary cell, storage battery, terminal, terminus, thermionic tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube, voltaic cell |
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| Webster's 1913 Dictionary |
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| | Definition: | | \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
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| Biology Dictionary |
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| | Definition: | | - The electrode in an electrochemical cell toward which cations are drawn and where reduction occurs.
- The negatively charged electrode in a vacuum tube.
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