thyratron Hear it!

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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