thy·​ra·​tron ˈthī-rə-ˌträn How to pronounce thyratron (audio)
: a gas-filled hot-cathode electron tube in which the grid controls only the start of a continuous current thus giving the tube a trigger effect

Examples of thyratron in a Sentence

Recent Examples on the Web Each quantizer employed five VT-109/2051 thyratrons. IEEE Spectrum, 25 Jan. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'thyratron.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Greek thýra "door" + -tron — more at door

Note: The American physicist and electrical engineer Albert W. Hull (1880-1966) is credited with coinage of this word and several other names of electron tubes (as magnetron) ; see C.G. Suits and J.M. Lafferty, Albert Wallace Hull, 1880-1966, A Biographical Memoir, National Academy of Sciences, Washington, D.C., 1970.

First Known Use

1929, in the meaning defined above

Time Traveler
The first known use of thyratron was in 1929

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Cite this Entry

“Thyratron.” Dictionary, Merriam-Webster, Accessed 16 Jun. 2024.

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