| NOUN | artifact | triode | a thermionic vacuum tube having three electrodes |
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| Meaning | 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. | |
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| Broader | 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 |
| Spanish | triodo, tríodo | |
| Catalan | triode, tríode | |
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