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cold cathode
(redirected from Cold Cathodes)

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cold cathode
n
(Electronics) Electronics a cathode from which electrons are emitted at ambient temperature, due to a high potential gradient at the surface
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.cold cathode - a cathode that is a source of electrons without being heated
cathode - a negatively charged electrode that is the source of electrons entering an electrical device
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