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thyratron
thyratron definition
☆ thy·ra·tron (t̸hī′rə trän′)
noun
a hot-cathode, triode or tetrode, electron tube containing low-pressure gas or metal vapor in which one or more grids control the start of the current flow but have no further control over it
Etymology: < Gr thyris, window, cell + -a- + -tron
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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