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. T.....
Found on http://en.wikipedia.org/wiki/Ignitron

ignitron

a single-anode pool rectifier tube in which each arc discharge is initiated by an igniter
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=531-35-21

ignitron

electron tube functioning as a rectifier to convert alternating current (AC) to direct current (DC). Each conduction cycle is started by an external ... [1 related articles]
Found on http://www.britannica.com/eb/a-z/i/7

ignitron

ignitron A single-anode mercury-vapor rectifier in which current passes as an arc between the anode and a mercury-pool cathode, used in power recification.
Found on http://www.wordinfo.info/words/index/info/view_unit/1050/3
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