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resnatron

American  
[rez-nuh-tron] / ˈrɛz nəˌtrɒn /

noun

Electronics.
  1. a tetrode with the grid connected to form a drift space for the electrons, formerly used to generate high power at very high frequency.


resnatron British  
/ ˈrɛznəˌtrɒn /

noun

  1. a tetrode used to generate high power at high frequencies

"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

Etymology

Origin of resnatron

res(o)na(tor) + -tron