ignitron

noun
ig·​ni·​tron | \ ig-ˈnī-ˌträn How to pronounce ignitron (audio) \

Definition of ignitron

: a mercury-containing rectifier tube in which the arc is struck again at the beginning of each cycle by a special electrode separately energized by an auxiliary circuit

First Known Use of ignitron

1933, in the meaning defined above

History and Etymology for ignitron

Latin ignis fire + English -tron

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The first known use of ignitron was in 1933

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Cite this Entry

“Ignitron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ignitron. Accessed 17 May. 2021.

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Britannica.com: Encyclopedia article about ignitron

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