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[ig-nahy -tron, ig -ni-tron]

Definition #1 for "ignitron"

A form of rectifier having a pool of mercury as cathode


Definition #2 for "ignitron"

An ignitron is a type of gas-filled tube used as a controlled rectifier and dating from the 1930s. Invented by Joseph Slepian while employed by Westinghouse, Westinghouse was the original manufacturer and owned trademark rights to the name "Ignitron". Ignitrons are closely related to mercury-arc valves but differ in the way the arc is ignited.


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