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ignitron
[ ig-nahy-tron, ig-ni-tron ]
noun
, Electronics.
- a cathode-arc vacuum tube with an auxiliary electrode projecting into a pool of mercury: it conducts current when the anode is positive.
ignitron
/ ɪɡˈnaɪtrɒn; ˈɪɡnɪˌtrɒn /
noun
- a mercury-arc rectifier controlled by a subsidiary electrode, the igniter, partially immersed in a mercury cathode. A current passed between igniter and cathode forms a hot spot sufficient to strike an arc between cathode and anode
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Word History and Origins
Discover More
Word History and Origins
Origin of ignitron1
C20: from igniter + electron
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