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Meaning of dynatron

dy•na•tron

Pronunciation: (dī'nu-tron"), [key]
— n. Electronics.
  1. a tetrode, once frequently used as an oscillator in radio, in which an increase in the plate voltage results in a decrease in the plate current because of emission of electrons from the plate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.