Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun triode

1 sense of triode

Sense 1
triode -- (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)
       => tube, vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve -- (electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope)