Hexode definitions

Hexode

1) Vacuum tube
Found on https://www.crosswordclues.com/clue/hexode

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hexode

a six-electrode electronic tube containing an anode, a cathode, a control electrode, and three additional electrodes
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=531-31-05

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