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English noun: thermionic tube

1. thermionic tube (artifact) electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope


Synonymselectron tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube


Broader (hypernym)electronic device


Narrower (hyponym)acorn tube, diode, electron multiplier, gas-discharge tube, klystron, magnetron, pentode, rectifying tube, rectifying valve, television pickup tube, television-camera tube, tetrode, triode, X-ray tube


Part holonymanode, cathode, control grid, electrode, grid, plate


Part meronymcircuit, electric circuit, electrical circuit









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