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Definition of Triode
1. Noun. A thermionic vacuum tube having three electrodes; fluctuations of the charge on the grid control the flow from cathode to anode which makes amplification possible.
Generic synonyms: Electron Tube, Thermionic Tube, Thermionic Vacuum Tube, Thermionic Valve, Tube, Vacuum Tube
Definition of Triode
1. a type of electron tube [n -S]