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cold cathode
noun
, Electronics.
- a cathode, in an electron tube cold-cathodetube or lamp, that emits electrons without having to be heated.
cold cathode
noun
- electronics a cathode from which electrons are emitted at ambient temperature, due to a high potential gradient at the surface
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Word History and Origins
Origin of cold cathode1
First recorded in 1925–30
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Example Sentences
It also is known as a cold cathode display.
From Forbes
It's best viewed from its center, where its cold cathode tubes flicker in a pattern in a ring around you.
From Seattle Times
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