English dictionary

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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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