thermionic valve
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(noun) a system of electrodes arranged in an evacuated glass or metal envelope |
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Synonyms: electron tube, thermionic tube, thermionic vacuum tube, tube, vacuum tube |
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Related Words: CRT, X-ray tube, acorn tube, cathode-ray tube, diode, electron multiplier, electronic device, klystron, magnetron, pentode, rectifying tube, rectifying valve, television pickup tube, television-camera tube, tetrode, triode |
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