A triode is an electronic amplifying vacuum tube (or thermionic valve in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode).
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Tríodos ou triodo, conhecido como válvula eletrônica de três elementos inventado em 1906 por Lee de Forest.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).