thermionic valve
Origin of thermionic valve
1First recorded in 1915–20
Words Nearby thermionic valve
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use thermionic valve in a sentence
I have even made an attempt to understand the mystery that is called the thermionic valve.
The Tower of Oblivion | Oliver Onions
British Dictionary definitions for thermionic valve
thermionic valve
noun
an electronic valve in which electrons are emitted from a heated rather than a cold cathode
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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