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cold cathode

   Also found in: Acronyms, Encyclopedia, Wikipedia 0.01 sec.
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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It is designed to operate various lighting loads -- such as low voltage transformer, neon, cold cathode and fluorescent -- without the need for interfaces, ensuring simplicity for specifier, installer and user.
Lutron. (Product Review Lighting) by The Architectural Review
The XRF systems that Oxford manufactures, which employ a cold cathode digital X-ray tube, enable analysis in less than 10 seconds.
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Cold cathode ray technology illuminates the instrument faces, while the indicators are backlit.
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